XRF User Manual 1 S2 Ranger XRF Manual Matthias Zeller
Contents
1. XRF User Manual 12 12 To return to sample handler log on as administrator again the logoff button is located on the 13 loader page Press tools system tools in the far left spot to the right of execute type s e r v e r Press execute and then config and recheck the box that you originally unchecked At this point you may need to restart the computer system for the machine You can do this by opening up the lower portion of the machine and pressing the white button to restart Make sure that the machine is idle before any restart and not measuring a sample evaluating data or reinitializing the instrument after switching back to sample changer mode If necessary wait for the machine to finish all its activities After restarting the machine may need some time to warm back up 15 20min is normal2. XRF User Manual 1 S2 Ranger XRF Manual Matthias Zeller Jerry Hunter Sept 19 2008 Logging In The login and password to log into the program as a normal user are ysul for both the username and password If you need to use any feature only available with an administrator login ask one of the instrumentation scientists for assistance Loading Samples 1 If using powders or liquids the sample should fill the XRF sample cups about half way 2 Place the 3 6 um mylar film in between the two cups and press down fast and hard Try not to touch the mylar film with bare hands 3 If the sample is a solid make sure the sample fits into the 40mm rings inside the machine If it is too small place it in a plastic sample cup with mylar film such as used for powders or liquids 4 Lift the chamber door and place the sample in any empty space 5 Close chamber door XRF User Manual 2 6 For manual loading of samples see Appendix 3 Calibration 1 It is important to calibrate the machine at the beginning of each day 2 The screen on the XRF machine should be highlighted on Loader If not highlight Loader 3 To calibrate the machine select the space in which the copper disc is located delete any experiment defined for this position 4 Under choose your application press recal 5 Highlight copper disk calibration Press Next 6 On the loader screen highlight the copper disk space 8 The hourglass s
3. e rescaled at any time by pressing ww 8 You can identify the peaks on the graph by touching the center of the peak on the screen you may have to zoom in on the peak first and pressing 9 To print your results press print in the bottom right hand corner of the screen WAIT UNTIL YOU HEAR THE CUTTING NOISE TO REMOVE THE PAPER IF Add Lines Zoom Tenn This button will display the periodic table page so that you can select specific element emission lines to be displayed in the Graph Area see section Adding Element Lines This Thumbwheel is used to zoom in or out of the spectra Position the Cross hairs on the region of interest and do the following Move the Thumbwheel up to zoom out Move the Thumbwheel down to zoom in Press and hold the thumbwheel to centre the region XRF User Manual 9 Appendix 2 Re evaluation of Data using SpectraEDX Measure your sample using the touch screen interface Switch over to the computer on the left small flatscreen Open the program SpectraEDX If the path is lost e g after a restart you can define it again by highlighting the instrument and clicking connect Open the Evaluation option in SpectraEDX Highlight the sample you want to analyze you can get older expired data via the advanced search option If there are more than one entry for your file e g after a reevaluation via the touch screen use the top entry original data If you want to cop
4. hows calibration in progress in the bottom right hand corner It will take 7 Press measure about 8min for the calibration to complete 9 While the calibration is running you can start setting up your sample s They will be queued and once the calibration disk is returned to its original spot the next samples will be measured Sample Analysis 1 Highlight the spot on the touch screen that corresponds to where you will put your sample XRF User Manual 3 2 Under Choose Application select which application you want to run the application you choose will depend on your sample and what results you are looking for Description of Methods e Elements Powder and Solid used to find out what elements are present in the sample e Fluoride Pellet Powder used to find what ratios of fluorides are contained in the sample Use pellet method if sample is in a pressed pellet and powder if the sample is in powder form e Oxides Powders Solid used to find what ratios of oxides are contained in the sample Use powder if sample is in powder form and solid if sample is in solid form e Water used to find what elements are contained in a liquid sample e More methods that are less often used are listed under Other e You are not limited to just these methods Methods can be created and adjusted to accommodate different types of analysis 3 Enter the sample ID and press next 4 Under Select the Preparation choose M
5. r results because too many elements are present If this is the case proceed to appendix 1 12 To print your results press print in the bottom right hand corner of the screen a WAIT UNTIL YOU HEAR THE CUTTING NOISE TO REMOVE THE PAPER IF 13 Press graph to see the x ray lines of your sample e To manipulate the graph see appendix 1 14 The time your data is stored on the machine is limited Write down your data in time or it might be lost after a few weeks XRF User Manual 5 Appendix 1 Re evaluation of Data using the Touch Screen Interface 1 The graph is easier to manipulate by using the computer located to the left of the instrument but the same procedure can be used if you wish to do so using the touch screen located on the instrument itself 2 If the screen of the S2 ranger is not already displayed on the computer to the left an tl double click on the S2 Ranger Icon located on the desktop s2 ranger 3 The S2 Ranger touch screen should appear on the screen 4 Click results to make sure your sample is still highlighted If not highlight it by clicking on it 5 Click graph You may need to refresh the screen by pressing ay l Graph Controls 1 Clear and or change X ray lines by pressing this will bring you to the periodic table to select or deselect X ray lines of elements 2 To change or add x ray lines XRF User Manual 6 Energy Information KAI JID Lev KA DED ev KB1 240d
6. select set not present After every change click initialize yi again When only the elements of interest are left over click on compute concentrations wh Write down the RWP and the R RO value bottom bar of window after the refinement is finished Values for R RO should be below a value of 20 to be regarded as reliable Print the results for your report to pdf XRF User Manual 11 Appendix 3 Manual Loading of a Sample 1 To log off as current user and log in as administrator for manual loading Contact Dr Zeller 2 Press tools W Press system tools 4 In the far left spot to the right of execute type s e r v e r 5 Press execute and then config 6 Uncheck the box that says this system has a sample handler Press ok 7 Wait for the computer to finish all its activities 7 When the machine is idle highlight the loader on the screen on the XRF machine The loader should have changed from the sample changer mode to single sample mode 8 Log off as administrator and log on as a normal user login and password ysu1 Highlight loader on the screen on the XRF machine touch the large sample chamber icon to open or close the sample changer 10 After opening the sample chamber lift the right hand cover of the machine and carefully insert by hand the sample Touch the large sample chamber icon on the screen to close the sample changer again 11 Proceed as described in sample analysis
7. tol The periodic table display is used to switch element markers on or off An orange or red button indicates that the X ray lines for this element are switched on The periodic table is composed of buttons A red or orange button indicates that the X ray lines for this element are switched on and a grey button indicates that they are switched off Simply select the elements you are interested in The spectra series K L and M can be switched on or off for all elements The Energy Information area lists available lines and reports their energy in eV 3 By highlighting the elements in the table you can choose which elements you want to keep or eliminate This might be important as you might have additional information such as those certain elements are for sure absent By leaving these out all elements that exhibit X ray lines that are close to the ones unselected will be calculated with higher accuracy After changing elements press the re eval button to updated the spectrum This may take a few minutes Press ok An updated graph appears with only the elements you specified 4 To zoom in on a peak start by clicking and holding down at the top left corner of the peak and drag down to the bottom left The gray area will display the region to be zoomed XRF User Manual 7 Energy eV Zoom area 5 Release and the graph will rescale 6 This process can be repeated for any other peaks 7 The graph can b
8. y data to another drive use the windows explorer Go to X SPECPlus Data Files TempSSD Use copy and paste do not drag or delete files Highlight the entry you want to analyze Click evaluation options right upper corner Select a calibration e g elements evm for a chunk of metal and a preparation e g solid or mylar 3 6 Click Apply amp Close to close the evaluation options window Click the Interactive Qualitative Mode button bottom of page A new window opens Select Braz Prem A periodic system will pop up Click on individual elements the Elements Toolbar option to see their XRF lines Decide if an element is present or not by comparison of the spectrum with the XRF lines Take into account that some lines might be escape or sum peaks Continue until all lines are accounted for as much as possible For the later evaluation leave out XRF User Manual 10 palladium The machine has a palladium source and Pd lines will always be present whether Pd is in the sample or not Write down all elements you wish to use for the analysis When done print out the spectrum with the XRF lines for your report hard copy and pdf On the hard copy label the lines by element Click on the alternative mode window button In the new window click on initialize amp 42 then Show All Elements ile Highlight elements you do not want to have included in the analysis Via a right mouse click
9. ylar 3 6um for powders or for solid samples Solid SpectroBlend or X ray mix this will depend on the type of solid As a standard choose Solid 5 Press complete and or next 6 If asked enter the estimated weight of the sample Press Complete A picture of your sample will appear on the screen 7 Highlight your sample on screen by touching it Press measure An hourglass appears to show your sample is being analyzed e Starting and finishing time are displayed in the bottom right hand corner of the loader screen A standard sample will take about 8 9min to run XRF User Manual 4 e If more than one sample needs to be run you can repeat the above procedure for any number of samples to analyze up to 28 8 You can abort the procedure at any time by highlighting your sample on the loader screen and pressing abort on the screen 9 The spectrum of your sample can be viewed as it is running by pressing graph 10 Once the sample it returned to its original spot and ok is displayed the results can be viewed at the bottom of the screen It takes about one and half to two minutes for results to appear 11 Press results and press last hour to refresh the screen Touch the screen to highlight your sample The results appear at the bottom of the screen e At this point if you are satisfied with the results obtained you can proceed to print out the results The majority of the time you may have to clean up you
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