KS I ISO 11041-2008 Workplace air-Determination of particulate arsenic and arsenic compounds and arsenic trioxide vapour-Method by hydride generation and atomic absorption spectrom.pdf
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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 11041 , ( ) KS I ISO 11041:2008 2008 9 2 http:/www.kats.go.krKS I ISO 11041:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :1998 12 24 :2008 9 2 2008-0471 : : ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 11041:2008 , ( ) Workplace air
2、 Determination of particulate arsenic and arsenic compounds and arsenic trioxide vapour Method by hydride generation and atomic absorption spectrometry 1996 1 ISO 11041, Workplace air Determination of particulate arsenic and arsenic compounds and arsenic trioxide vapour Method by hydride generation
3、and atomic absorption spectrometry , . ( A 1 ). ( ) . 1 . (10.1 ). (9.3.2 ) 100 ng125 g . . . (10.3 ). 2 . . ( ) . KS I ISO 11041:2008 2 KS B ISO 8655 1, 1: , KS B ISO 8655 2, 2: KS B ISO 8655 3, 3: KS B ISO 8655 4, 4: KS L ISO 648, KS L ISO 1042, KS M 9404, KS M ISO 3696, KS M ISO 6955, , , KS M IS
4、O 8756, , , ISO 3585: 1991, 3.3 EN 482: 1994, EN 1232,1) ( ) 3 3.1 , . 3.2 , , . . , . 1 8.2.2 NIOSH ( A 2 ) . 3.3 , . 3.4 . / . . / . 2 . . . . 3.5 197.2 nm 193.7 nm (KS M ISO 6955 6.1.1 ) (KS M ISO 6955 6.1.3 ) . 4 1) KS I ISO 11041:2008 3 4.1 ( , ) ( A 3 ) . . As2O3 Na2CO3 2NaAsO2 CO24.2 8.2.2 (A
5、sO43) . (10.2 ). 4.3 (4.4 ) , (AsO43) (AsO2) (8.2.4 ). AsO43 2I 4H AsO2 I2 2H2O (AsO43) 5 3 . 4.4 3 . BH4 H 3H2O H3BO3 8H (1) AsO2 H 6H AsH3 2H2O (2) 4.5 / (AsH3) . 5 5.1 . 5.1 KS M ISO 3696 2 (25 0.1 mS/m 0.01 M m ) . 5.2 5 %(V/V ) 1 mol/L (Na2CO3) 10.6 g 250 mL (6.2.1.1) . 5 mL (5.1) 50 mL . 100 m
6、L (6.2.1.5) , . 5.3 (HCI) . 1.18 g/mL, 3536 %(m/m). 0.01 g/mL . . . ( , KS I ISO 11041:2008 4 , ) . . / . 5.4 1: 1 . (5.1) 900 mL 2 000 mL (6.2.1.5) . (5.3) 1 000 mL . , . 3 KS M ISO 6955 5.4.2 . . 5.5 1: 4 . (5.1) 700 mL 1 000 mL (6.2.1.5) . (5.3) 200 mL . , . 5.6 (HNO3) . 1.42 g/mL, 6971 %(m/m). 0
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