Users Guide
Contents
1. Supercedes 11 17 99 24 Hour Emergency Telephone 906 659 2151 CHEMTREC 1 800 424 9300 MSDS Material Safety Data Sheet rra Outside U S and Canada Chemtrec 703 527 3887 From Mallinckrodt Baker Inc y Mallinckrodt A WBa yore cee eaae Phillipsburg NJ 08865 A used only in the event of chemical emergencies involving a spill leak fire exposure or accident involving chemicals All non emergency questions should be directed to Customer Service 1 800 582 2537 for assistance MERCURY 1 Product Identification Synonyms Quicksilver hydrargyrum Liquid Silver CAS No 7439 97 6 Molecular Weight 200 59 Chemical Formula Hg Product Codes J T Baker 2564 2567 2569 2572 Mallinckrodt 1278 1280 1288 2 Composition Information on Ingredients Ingredient CAS No Percent Hazardous Mercury 7439 97 6 90 100 Yes 3 Hazards Identification Emergency Overview DANGER CORROSIVE CAUSES BURNS TO SKIN EYES AND RESPIRATORY TRACT MAY BE FATAL IF SWALLOWED OR INHALED HARMFUL IF ABSORBED THROUGH SKIN AFFECTS THE KIDNEYS AND CENTRAL NERVOUS SYSTEM MAY CAUSE ALLERGIC SKIN REACTION J T Baker SAF T DATA Ratings Provided here for your convenience Health Rating 4 Extreme Poison Flammability Rating 0 None Reactivity Rating Slight Contact Rating 3 Severe Life Lab Protective Equip GOGGLES LAB COAT VENT HOOD PROPER GLOVES Storage Color Code Blue He2. Calibration 9900E Mercury Triple Point Cell Users Guide 2004 Rev 1 4 11 O 2004 2011 Fluke Corporation All rights reserved Specifications subject to change without notice All product names are trademarks of their respective companies Limited Warranty amp Limitation of Liability Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service The warranty period is one year and begins on the date of shipment Parts product repairs and services are warranted for 90 days This warranty extends only to the original buyer or end user customer of a Fluke authorized reseller and does not apply to fuses disposable batteries or to any product which in Fluke s opinion has been misused altered neglected contaminated or damaged by accident or abnormal conditions of operation or handling Fluke warrants that software will operate substantially in accordance with its functional specifications for 90 days and that it has been properly recorded on non defective media Fluke does not warrant that software will be error free or operate without interruption Fluke authorized resellers shall extend this warranty on new and unused products to end user customers only but have no authority to extend a greater or different warranty on behalf of Fluke Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable internat
3. Acetylenes ammonia ethylene oxide chlorine dioxide azides metal oxides methyl silane lithium rubidium oxygen strong oxidants metal carbonyls Conditions to Avoid Heat flames ignition sources metal surfaces and incompatibles 11 Toxicological Information Toxicological Data Investigated as a tumorigen mutagen reproductive effector Reproductive Toxicity All forms of mercury can cross the placenta to the fetus but most of what is known has been learned from experimental animals See Chronic Health Hazards Carcinogenicity EPA IRIS classification Group D1 Not classifiable as a human carcinogen Zei ie m Canser LASTS A a O See ease NTP Carcinogen Ingredient Known Anticipated IARC Category Mercury 7439 97 6 No No 3 MSDS4 eps Mercury Triple Point Cell Material Safety Data Sheet 12 Ecological Information Environmental Fate This material has an experimentally determined bioconcentration factor BCF of greater than 100 This material is expected to significantly bioaccumulate Environmental Toxicity This material is expected to be toxic to aquatic life The LC50 96 hour values for fish are less than 1 mg l 13 Disposal Considerations Whatever cannot be saved for recovery or recycling should be handled as hazardous waste and sent to a RCRA approved waste facility Processing use or contamination of this product may change the waste management options State and local disposal regulat
4. S7 WHMIS This MSDS has been prepared according to the hazard criteria of the Controlled Products Regulations CPR and the MSDS contains all of the information required by the CPR 16 Other Information NFPA Ratings Health 3 Flammability 0 Reactivity 0 Label Hazard Warning DANGER CORROSIVE CAUSES BURNS TO SKIN EYES AND RESPIRATORY TRACT MAY BE FATAL IF SWALLOWED OR INHALED HARMFUL IF ABSORBED THROUGH SKIN AFFECTS THE KIDNEYS AND CENTRAL NERVOUS SYSTEM MAY CAUSE ALLERGIC SKIN REACTION Label Precautions Do not get in eyes on skin or on clothing Do not breathe vapor Keep container closed Use only with adequate ventilation Wash thoroughly after handling Label First Aid If swallowed induce vomiting immediately as directed by medical personnel Never give anything by mouth to an unconscious person If inhaled remove to fresh air If not breathing give artificial respiration If breathing is difficult give oxygen In case of contact immediately flush eyes or skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes Wash clothing before reuse Inall cases get medical attention immediately Product Use Laboratory Reagent Revision Information MSDS Section s changed since last revision of document include 8 Disclaimer le ae kkk k kkk k k k k k k k ke ale Mallinckrodt Baker Inc provides the information contained herein in good faith but makes no representation as
5. allow water runoff to enter sewers or waterways Special Information In the event of a fire wear full protective clothing and NIOSH approved self contained breathing apparatus with full MSDS2 eps Mercury Triple Point Cell Material Safety Data Sheet facepiece operated in the pressure demand or other positive pressure mode Undergoes hazardous reactions in the presence of heat and sparks or ignition Smoke may contain toxic mercury or mercuric oxide Smoke may contain toxic mercury or mercuric oxide 6 Accidental Release Measures Ventilate area of leak or spill Clean up personnel require protective clothing and respiratory protection from vapor Spills Pick up and place in a suitable container for reclamation or disposal in a method that does not generate misting Sprinkle area with sulfur or calcium polysulfide to suppress mercury Do not flush to sewer US Regulations CERCLA require reporting spills and releases to soil water and air in excess of reportable quantities The toll free number for the US Coast Guard National Response Center is 800 424 8802 J T Baker CINNASORB and RESISORB are recommended for spills of this product 7 Handling and Storage Keep in a tightly closed container stored in a cool dry ventilated area Protect against physical damage Isolate from any source of heat or ignition Do not use or store on porous work surfaces wood unsealed concrete etc Follow strict hygiene practices Containers
6. of this material may be hazardous when empty since they retain product residues vapors liquid observe all warnings and precautions listed for the product 8 Exposure Controls Personal Protection Airborne Exposure Limits OSHA Acceptable Ceiling Concentration mercury and mercury compounds 0 1 mg m3 TWA skin ACGIH Threshold Limit Value TLV inorganic and metallic mercury as Hg 0 025 mg m3 TWA skin A4 Not classifiable as a human carcinogen ACGIH Biological Exposure Indices total inorganic mercury in urine preshift 35 ug g creatinine total inorganic mercury in blood end of shift 15 ug l Ventilation System A system of local and or general exhaust is recommended to keep employee exposures below the Airborne Exposure Limits Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source preventing dispersion of it into the general work area Please refer to the ACGIH document ndustrial Ventilation A Manual of Recommended Practices most recent edition for details Personal Respirators NIOSH Approved If the exposure limit is exceeded and engineering controls are not feasible a half face respirator with a mercury vapor or chlorine gas cartridge may be worn for up to ten times the exposure limit or the maximum use concentration specified by the appropriate regulatory agency or respirator supplier whichever is lowest A full face piece respirator with a
7. to its comprehensiveness or accuracy This document is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose MALLINCKRODT BAKER INC MAKES NO REPRESENTATIONS OR WARRANTIES EITHER EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE INFORMATION SET FORTH HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS ACCORDINGLY MALLINCKRODT BAKER INC WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE UPON THIS INFORMATION EEEE EEEE e e le E e o E E E 2k fe E 2 fe E E E 2s fe E 2k fe le k k k k k k k k k k k k k k k k k k kkk k k kkk k k k k k k k Prepared by Environmental Health amp Safety Phone Number 314 654 1600 U S A MSDS6 eps
8. L OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES INCLUDING LOSS OF DATA ARISING FROM ANY CAUSE OR THEORY Since some countries or states do not allow limitation of the term of an implied warranty or exclusion or limitation of incidental or consequential damages the limitations and exclusions of this warranty may not apply to every buyer If any provision of this Warranty is held invalid or unenforceable by a court or other decision maker of competent jurisdiction such holding will not affect the validity or enforceability of any other provision Fluke Corporation Fluke Europe B V P O Box 9090 P O Box 1186 Everett WA 98206 9090 5602 BD Eindhoven U S A The Netherlands 11 99 Table of Contents Title Page Before You sr iii 1 Symbols Used iia sea 1 RR 1 How to Contact AAA einer nen NEEE Ea TERES 2 IO UC Oia id Ea A A EE EE 2 Specifications and Environmental Conditions ooocccccnoccnonononnconnconnconncnnncono non nonn ernennen 3 S PCH GALLONS sex sax esta cceceaseegsdeependanchscasavasadesvag sie nie een ddesambanseaseedeades eset ther eecedunanees 3 Environmental Conditions ress deveecscsasaecavecsnaceesysseenasadgecasnds crass een 3 DO SGIIPUOD ries 3 Careof Your Mercury Triple Point Cell iii ke 3 Realization of the Triple Point of Merc
9. alth MSDS1 eps 5900E Users Guide Inhalation Mercury vapor is highly toxic via this route Causes severe respiratory tract damage Symptoms include sore throat coughing pain tightness in chest breathing difficulties shortness of breath headache muscle weakness anorexia gastrointestinal disturbance ringing in the ear liver changes fever bronchitis and pneumonitis Can be absorbed through inhalation with symptoms similar to ingestion Ingestion May cause burning of the mouth and pharynx abdominal pain vomiting corrosive ulceration bloody diarrhea May be followed by a rapid and weak pulse shallow breathing paleness exhaustion tremors and collapse Delayed death may occur from renal failure Gastrointenstinal uptake of mercury is less than 5 but its ability to penetrate tissues presents some hazard Initial symptoms may be thirst possible abdominal discomfort Skin Contact Causes irritaton and burns to skin Symptoms include redness and pain May cause skin allergy and sensitization Can be absorbed through the skin with symptoms to parallel ingestion Eye Contact Causes irritation and burns to eyes Symptoms include redness pain blurred vision may cause serious and permanent eye damage Chronic Exposure Chronic exposure through any route can produce central nervous system damage May cause muscle tremors personality and behavior changes memory loss metallic taste loosening of the teeth digestive disorder
10. ble 2 Table 2 Some Subranges of the ITS 90 and the Fixed Points Required for Calibration Subrange Fixed Points Required 13 8033 K to 273 16 K TP e H TPNe TPO TPAr TPHg and TPH O 24 5561 K to 273 16 K TP e H TPNe TPO TPAr TP Hg and TPH O 54 3584 K to 273 16 K TPO TPAr TP Hg and TPH O 83 8058 K to 273 16 K TPAr TPHg and TPH O 234 3156 K to 29 7646 K TPHg TPH O and MPGa For your convenience Fluke has developed a sealed TPHg cell according to BNM INM design and technology which makes it easier to realize the TPHg The Fluke sealed TPHg cells will assist you immensely in realizing the TPHg in your laboratory Mercury Triple Point Cell Specifications and Environmental Conditions Specifications and Environmental Conditions Specifications ITS 90 Assigned Temperature u een 234 3156 K 38 8344 C Expanded Uncertainty k 2 0ooooonoccconnccccncnoccconccnccananncono 0 2 mK PUrity onMeTCU eenen 99 999999 8N Quantity Of MercUlY ion 2 000 g Outer Diameter of the Cell u nenn 38 1 mm 1 5 in The Length of the Calls nsgiisiissin isiin 246 0 mm 9 68 in The Total Length of the Cell with the Reentrant Well 400 mm 15 75 in Inner Diameter of the Reentrant Well 8 0 mm 0 315 in Total Immersion Depth in Mercury eee 210 mm Total Length of the Reentrant Well 381 mm 15
11. d requires very little maintenance It is suggested that the cell be kept in the vertical position for safety although putting a cell in the horizontal orientation for a short time period will not cause any damage Extended placement in a horizontal position may cause the mercury to come in contact with the welded closures and is not recommended Condensation on the outside of the cell should be removed before storage of the cell to prevent any corrosion The vacuum state of the cell produces a hydrostatic hammer as the mercury comes in contact with the cell walls The hammer or click provides audible evidence that the cell integrity is in tact Realization of the Triple Point of Mercury The purity of mercury used in the 5900E cell is 99 999999 At such high levels of purity both freezing and melting techniques yield triple point values within 0 1 mK over most of liquid solid range Therefore both freezing and melting techniques may be used for the realization of the triple point of mercury 5900E Users Guide Since the triple point of mercury is about 60 C below room temperature the melting technique is easier to realize and has a longer plateau It is suggested that most users realize the triple point of mercury using the melting technique The realization of metal fixed points with the lowest uncertainty generally requires two liquid solid interfaces In such a situation the outer liquid solid interface adjacent to the ou
12. da 1 800 36 FLUKE 1 800 363 5853 e Europe 31 402 675 200 e Japan 81 3 3434 0181 e Singapore 65 738 5655 e Anywhere in the world 1 425 446 5500 Or visit Fluke s website at www fluke com To register your product visit http register fluke com To see print or download the latest manual supplement visit http us fluke com usen support manuals Introduction The International Temperature Scale of 1990 ITS 90 is based on a series of defining fixed points The triple point of mercury TPHg is one of the defining fixed points of the ITS 90 A triple point is the phase equilibrium state of solid liquid and vapor The most common triple point used in the ITS 90 is the triple point of water At temperatures below 273 16 K most of the defining fixed points of the ITS 90 are the triple points The TP Hg is assigned the value 234 3156 K 38 8344 C by the ITS 90 Extremely pure mercury 99 999999 can produce both freezing and melting techniques which give the triple point temperatures that agree to within 0 1 mK over most of the usable plateau Since the triple point of mercury is notably below ambient the melting curve is easier to realize with a longer plateau The fixed points are indispensable for the calibration of a standard platinum resistance thermometer SPRT Different subranges require different sets of fixed points The ITS 90 specifies five subranges in which SPRTs must be calibrated at the TP Hg Ta
13. eau In order to realize the mercury melting plateau in the 7341 bath fill the cell reentrant well with alcohol and place the cell in the bath You need to use the 2027 DCBM cell holder Set the bath at 45 C It will take approximately 2 hours for the cell to freeze It may be convenient to freeze the cell overnight so that work can begin first thing in the morning Your check standard should be placed in the well during the freeze You may or may not be able to see the supercool depending on the thermal conditions Set the bath to 40 C and maintain at that temperature until stable Since calibration baths are not calibrated the bath temperature will not be precise Use the known value of the check standard at the mercury triple point to calculate the offset required for the bath to hold a temperature 50 m C 50 mK higher than the triple point of mercury 38 8344 C Use the calculated offset to set the bath temperature so that the check standard will read 38 784 C Remove the check standard from the cell and place it in a pre cool hole Place a room temperature quartz glass rod or closed ended tube in the reentrant well for 3 minutes to obtain an inner liquid solid interface by melting the solid mercury immediately adjacent to the reentrant well surface Remove the quartz glass rod and replace the check standard Wait 30 minutes to take the first reading ALWAYS TAKE THE FIRST READING WITH THE CHECK STANDARD Proceed to calibrate the SPRTs Ch
14. eck the condition of the melt after every three SPRT readings Note Pre chilling each SPRT to be calibrated is extremely important to maximize the length of the usable plateau Mercury Triple Point Cell Correction for the Pressure Difference Correction for the Pressure Difference The triple point is realized at the vapor liquid solid interface This occurs only at the uppermost surface of the mercury Since mercury is extremely dense considerable static head pressure is present at the bottom of the entrant well or measurement point Therefore a correction must be applied to the theoretical triple point temperature ITS 90 gives all of the necessary coefficients for the calculation of the correction caused by the pressure difference which are summarized in Table 3 Table 3 Correction for Pressure Difference Assigned Temperature DP F Value of E Variation with Equilibrium with Depth Approximate Substance Temperature Pressure p Kelvin K 10 mK Pa mki awidt Argon T 83 8058 25 3 3 0 004342 Mercury T 234 3156 5 4 TA 0 004037 Water T 273 16 7 5 73 0 003989 Gallium M 302 9146 2 0 1 2 0 003952 rinOIndium F 429 7485 4 9 3 3 0 003801 Tin F 505 078 3 3 2 2 0 003713 Zinc F 692 677 4 3 2 7 0 003495 Aluminum F 933 473 7 0 1 6 0 003205 Silver F 1234 93 6 0 5 4 0 002841 Gold F 1337 33 6 1 10 Copper F 1357 77 3 3 2 6 on triple dan melting
15. he fixed installation such as TVs PCs portible tools and other household appliances Safety Information Use this instrument only as specified in this manual Otherwise the protection provided by the instrument may be impaired The following definitions apply to the terms Warning and Caution e Warning identifies conditions and actions that may pose hazards to the user e Caution identifies conditions and actions that may damage the instrument being used A Warning To avoid personal injury follow these guidelines e Mercury is corrosive Consult the metal manufacturer s MSDS Material Safety Data Sheet e Contains mercury dispose properly e Federal law prohibits carrying this cell in the passenger section of a commercial airline See MSDS in the back of this manual 5900E Users Guide A Caution To avoid possible damage to the instrument follow these guidelines e Read the section entitled Care and Handling Guidelines before removing the gallium melting point cell from the case Incorrect handling can damage the cell e The mercury triple point cell must be kept in a vertical position Placing the cell in a horizontal position can damage the cell and void the warranty How to Contact Fluke To contact Fluke call one of the following telephone numbers e Technical Support USA 1 800 44 FLUKE 1 800 443 5853 e Calibration Repair USA 1 888 99 FLUKE 1 888 993 5853 e Cana
16. in Case Material oir 304L Stainless Steel Environmental Conditions Although the instrument has been designed for optimum durability and trouble free operation 1t must be handled with care The instrument should not be used in an excessively dusty or dirty environment Description The Fluke TP Hg cell is manufactured according to BNM INM design and technology Y Hermier G Bonnier The Mercury Point Realization Estimate of Some Uncertainties TMCSI vol 6 p 287 1992 During the manufacturing process every cell is leak tested After the cleaning and filling processes are complete two small tubes adjacent to the central well are crimped and welded providing a sealed cell A sealed cell is convenient in avoiding moisture condensation and contamination An open cell with a bellow sealed valve is available upon request Sealed cells are more convenient for most users while open cells might be more preferable for some national laboratories 304L stainless steel is chosen as the cell case material because it has been proven that it won t contaminate high purity mercury and it is much stronger than borosilicate glass Stainless steel is preferred over borosilicate glass as the cell case material since mercury in borosilicate glass cells have been found to super cool about 6 C while stainless steel cells super cool only 0 1 C to 03 C Care of Your Mercury Triple Point Cell The mercury triple point cell is completely sealed an
17. ional price Fluke reserves the right to invoice Buyer for importation costs of repair replacement parts when product purchased in one country is submitted for repair in another country Fluke s warranty obligation is limited at Fluke s option to refund of the purchase price free of charge repair or replacement of a defective product which is returned to a Fluke authorized service center within the warranty period To obtain warranty service contact your nearest Fluke authorized service center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination If Fluke determines that failure was caused by neglect misuse contamination alteration accident or abnormal condition of operation or handling including overvoltage failures caused by use outside the product s specified rating or normal wear and tear of mechanical components Fluke will provide an estimate of repair costs and obtain authorization before commencing the work Following repair the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges FOB Shipping Point THIS WARRANTY IS BUYER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF AL
18. ions may differ from federal disposal regulations Dispose of container and unused contents in accordance with federal state and local requirements 14 Transport Information Domestic Land D O T Proper Shipping Name RQ MERCURY Hazard Class 8 UN NA UN2809 Packing Group III Information reported for product size ILB International Water I M O Proper Shipping Name MERCURY Hazard Class 8 UN NA UN2809 Packing Group III Information reported for product size ILB 15 Regulatory Information las Chemical Inventory Status Part 1 Ingredient TSCA EC Japan Australia Mercury 7439 97 6 Yes Yes No Yes Canada Ingredient Korea DSL NDSL Phil Mercury 7439 97 6 Yes Yes No Yes Senn Federal State amp International Regulations Part 1 SARA 302 SARA 313 Ingredient RQ TPQ List Chemical Catg Mercury 7439 97 6 No No Yes No cuan Federal State amp International Regulations Part 2 RCRA TSCA Ingredient CERCLA 261 33 8 d MSDS5 eps 11 5900E Users Guide 12 Mercury 7439 97 6 i U151 No Chemical Weapons Convention No TSCA 12 b No CDTA No SARA 311 312 Acute Yes Chronic Yes Fire No Pressure No Reactivity No Pure Liquid WARNING THIS PRODUCT CONTAINS A CHEMICAL S KNOWN TO THE STATE OF CALIFORNIA TO CAUSE BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM Australian Hazchem Code 2Z Poison Schedule
19. mercury vapor or chlorine gas cartridge may be worn up to 50 times the exposure limit or the maximum use concentraiton specified by the appropriate regulatory agency or respirator supplier whichever is lowest For emergencies or instances where the exposure levels are not known use a full face piece positive pressure air supplied respirator WARNING Air purifying respirators do not protect workers in oxygen deficient atmospheres Skin Protection Wear impervious protective clothing including boots gloves lab coat apron or coveralls as appropriate to prevent skin contact Eye Protection Use chemical safety goggles and or a full face shield where splashing is possible Maintain eye wash fountain and quick drench facilities in work area MSDS3 eps 5900E Users Guide 10 9 Physical and Chemical Properties Appearance Silver white heavy mobile liquid metal Odor Odorless Solubility Insoluble in water Density 13 55 pH No information found Volatiles by volume 21C 70F 100 Boiling Point 356 7C 675F Melting Point 38 87C 38F Vapor Density Air 1 7 0 Vapor Pressure mm Hg 0 0018 25C 77F Evaporation Rate BuAc 1 4 10 Stability and Reactivity Stability Stable under ordinary conditions of use and storage Hazardous Decomposition Products At high temperatures vaporizes to form extremely toxic fumes Hazardous Polymerization Will not occur Incompatibilities
20. ns freezing The correction of temperature caused by the static head pressure can be calculated by using the following equation Equation 1 Static head pressure Correction Ata heh aT K do K a 7 1 mK m for the triple point of mercury h the immersion depth of the midpoint of the sensor of a SPRT into the matter used for the fixed point The immersion depth of the midpoint of a SPRT sensor in a mercury triple point cell is approximately 0 183 m The distance from the inner bottom of the central well to the surface of liquid metal is about 0 208 m If the distance of the midpoint of the sensor from the tip of the sheath is 25 mm the mean immersion depth of the SPRT sensor 208 mm 25 mm 183 mm The temperature correction At can be calculated using Equation 1 Example Equation 1 to calculate At becomes At h xk 5900E Users Guide Substituting values into Equation 1 At 0 183m x mk Consequently At 1 299mK 0 001299K Hence the actual temperature of a sensor of a SPRT at the point of total immersion during a plateau in the cell is calculated using Equation 2 Equation 2 Calculation of the Actual Temperature t t At 2 Therefore t 234 3156K 0 001299K 234 316899K where t is the assigned temperature value for TPHg i e 234 3156K 38 8344 C Mercury Triple Point Cell Material Safety Data Sheet Material Safety Data Sheet MSDS Number M1599 Effective Date 11 02 01
21. s skin rashes brain damage and kidney damage Can cause skin allergies and accumulate in the body Repeated skin contact can cause the skin to turn gray in color A suspected reproductive hazard may damage the developing fetus and decrease fertility in males and females Aggravation of Pre existing Conditions Persons with nervous disorders or impaired kidney or respiratory function or a history of allergies or a known sensitization to mercury may be more susceptible to the effects of the substance 4 First Aid Measures Inhalation Remove to fresh air If not breathing give artificial respiration If breathing is difficult give oxygen Get medical attention immediately Ingestion Induce vomiting immediately as directed by medical personnel Never give anything by mouth to an unconscious person Get medical attention immediately Skin Contact Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes Get medical attention immediately Wash clothing before reuse Thoroughly clean shoes before reuse Eye Contact Immediately flush eyes with plenty of water for at least 15 minutes lifting lower and upper eyelids occasionally Get medical attention immediately 5 Fire Fighting Measures Fire Not considered to be a fire hazard Explosion Not considered to be an explosion hazard Fire Extinguishing Media Use any means suitable for extinguishing surrounding fire Do not
22. ter wall of the cell advances slowly as the solid continues to melt the melting curve or as the liquid continues to solidify the freezing curve Ideally this generates a shell of liquid phase or solid phase that continues to be of uniform thickness completely surrounding the solid mercury or liquid mercury which itself surrounds the inner liquid solid interface that is adjacent to the thermometer well With SPRTs the inner liquid solid interface 1 e the equilibrium whose temperature is measured must surround and be as close to the temperature sensing element as possible An inner melting technique which we will discuss in detail later will create a continuous inner liquid solid interface that is adjacent to the reentrant well The realization of the melting curve of the mercury triple point is accomplished in a bath with a minimum depth of 457 mm 18 such as Fluke models 7341 and 7381 liquid baths A serviceable plateau can be maintained for 8 hours in the 7341 bath and plateaus longer than 24 hours have been realized The length of the plateau is dependent upon the number of SPRTs being calibrated and the pre cooling of the SPRTs Typical Usable Mercury Hg Melt Plateau 38 8310 38 8315 38 8320 38 8325 38 8330 Temp C 38 8335 38 8340 38 8345 38 8350 Time Hg Plateau eps Figure 1 Typical Usable Mercury Hg Melt Plat
23. ury ecceeceeceesseeeeeeceeeeseeseeeeceaecaeeaeeeeeeaeeaeenaeeaees 3 Correction for the Pressure Difference aissi ine eaen ari er e R ENEA RE 5 Material Safety Data Sheet ssscccscssscccssoccdsasesescasweacvsnsevtecusevecdsavededcaavoundasepecccxssucesnavoestensaeeeeye 7 5900E Users Guide List of Tables Table Title Page 1 International Electrical Symbols seisena east ereh ma rn oki 1 2 Some Subranges of the ITS 90 and the Fixed Points Required for Calibration 2 3 Correction for Pressure Differenee uu 0snessnentenensenasntnamenn nme 5 iii 5900E Users Guide List of Figures Figure Title Page 1 Typical Usable Mercury Hg Melt Plateau 5900E Users Guide vi Before You Start Symbols Used Table 1 lists the International Electrical Symbols Some or all of these symbols may be used on the instrument or in this manual Table 1 International Electrical Symbols Symbol Description Symbol Description LX Electric Shock O or EN Hot Surface Burn Hazard l On Read the User s Manual N Important Information Fuse No AC Alternating Current Battery AC DC C TIC Australian EMC Mark N10140 DC Re Canadian Standards Association Cc US CE Complies with European Union Directives ON Mn 0 Double Insulated CAT II equipment is designed to protect against transients from energy consuming equipment supplied from amp PE Ground CAT Il t
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