中野恵文* 前田信子** 吉谷昭彦**
Contents
1. II 1 KK 1 000 ppm Factor 1 00 CaCL in 1N HO Factor 0 995 MgCL in water gt Factor 1 01 FeCl in 0 1N HCI lt THactor 1 00 MnCl in water 442. 4 227A 2 852A 2 483 A 2 795 A IV TV IV 6 1 ppm 0 1ppm 0 5ppm TIV 1 14 07 min 1 5 4 0 min 0 5 min 1 45 1 3 5 min 1970
3. Relative absorbance Relative aqbsorbgnce o 1 0 2 0 30 4 0 9 li 12 13 14 15 16 Flow rafe of acefylene min Flow rafe of gir i min 1 2 IV 2 2 5 min 11 0 16 0 min 2 2 14 0 min 12 0 min TV 3 2 5 min 14 0 min 4 3 3 2 1
4. Shigenori NAkANo INobuko MakTA and Akihiko YosrrrTANii Examinations into the Oonditions of Measurement with the Atomic Absorption Spectrophotometer 1974 4 10 1 1971 8 208
5. 2 1 1 1 ppm ppm EDTA 1 20 8 19 7 0 20 0 20 2 20 8 20 1 0 19 0 19 VI 1 14 0 min 3 5 min 2 2 5 min
6. 1972 2 5 min 14 0 min 2 5 18mA 5 5 10 mA 15 mA 208 47 0 10 Ca 4223423
7. 1972 123 126 1972 No 1 60 66 1970 K 21 12 15 29 1960 Abstract Examinations into the conditions of measuremnent with the atomic absorption spectrophotometer HHitachi 208 type were experimentally carried out Some appropriate conditions were decided on the determinations of calcium manganese rnagnesian and iron and they are shown in Fig 1 6 Furthermore the experimental results with calcium and manganese by the atomic absorption spectrophotometry were in good agreement with those by the other methods
8. 4 230A 4 227 A 2 852 A 2 852 A gt 2 482 A 2 483 A lt gt 2 796 A 2 795 A IV 7 2 5 min 14 0 min 2 0 7mA 10 mA 0 02 0 1 ppm 7 0 2 1 0 ppm 8 1 0 10 0 ppm 9 48 qbsorbance Reiafive 12 10 10 8 2 8 g 6 6 4 4 2 2 0 0 02 004 0 06 0 08 OI 0 2 0 4 O 6 0 8 1O Concenfrafion ppm Concenfration ppm 7 Ca Mn 8 Ca Mg Fe Mn le 12 8 1 8 5 4 O 2 4 6 8 IO Concenfration ppm 9
9. 1 46 8 5 8 8 8 05 2 3 4 95 30 60 90 Height of light beam above burner Burner hegd gngle 3 4 IV 4 2 5 min 14 0 min 2 0 90 4 4 0 7 90 IV 5
10. 14 0 min 12 0 min 3 Millipore Filter 0 45 z JIS KK 0101 50 2 1 1 4 9mA 5 7mA 10mA 9 10 mA 5 4 230 A 2 852 AA 2 482A 2 796A I
11. Factor 20 C II 2 208 2 90 1 1 4 4 HHE
12. 1972 208 2 En Ex No 1 En No 1 Ex No 2
13. Ca Fe 49 V 2 5 min 14 0 min 2 0 7mA 10 mA 4 230 A 2 796 A 1973 7 5 No 5c 2 EDTA 1960 1970 1972 1972 5 000 ppm
14. 3A e Mg 2847 2857 A Fe 2481 2489A 8 8 7 Mn 2793 5 2803 A 8 8 N 8 S 6 5 6 8 N RLL iR RR x 4 ye 4 w oo e 6 0 i a Ye 8 6 9 12 15 18 A Lamp current mA Wave length 5 6 IV 6 K 2 5 min 14 0 min 2 0 6 6
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