KS I ISO 16740-2007 Workplace air-Determination of hexavalent chromium in airborne particulate matter-Method by ion chromatography and spectrophotometric measurement using diphenyl.pdf

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1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 16740 KS I ISO 16740 ：2007 (2012 ) 2007 11 30 http:/www.kats.go.krKS I ISO 16740：2007 : ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2007 11 30 ：2012 12 27 20120781 ： ： (ISO/TC146) ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , KS I ISO 16740：200

2、7 .1 1 1 2 1 3 .2 3.1 2 3.2 .3 3.3 4 3.4 .4 3.5 6 4 7 5 7 6 7 7 7 7.1 .7 7.2 .7 (H SO ) 2 4 7.3 8 (HNO ) 3 7.4 8 (HNO ) 3 7.5 8 (NH ) SO 4 2 4 7.6 8 (NH OH) 4 7.7 8 (Na CO ) 2 3 7.8 8 (NaOH) 7.9 .9 1,5-(C H NHNH) CO 6 5 2 7.10 9 (CH OH) 3 7.11 .9 (K Cr O ) 2 2 7 7.12 .9 7.13 .9 7.14 10 pH 7.15 10 6

3、7.16 10 8 11 8.1 .11 8.2 .13 9 18 9.1 .18 9.2 .19 9.3 .19 9.4 .19 10 20 10.1 .20 i KS I ISO 16740：2007 ii 10.2 21 10.3 .22 10.4 23 10.5 .23 11 24 11.1 24 11.2 .25 6 11.3 .27 6 11.4 .29 11.5 .30 11.6 31 11.7 31 12 .32 13 .32 13.1 32 13.2 32 13.3 33 13.4 .33 14 .33 14.1 .33 - 14.2 .33 15 .34 15.1 .34

4、15.2 35 A() 36 B() 6 37 41 KS I ISO 16740：2007 (2012 ) Workplace airDetermination of hexavalent chromium in airborne particulate matterMethod by ion chromatography and spectrophotometric measurement using diphenyl carbazide 2005 1 ISO 16740, Workplace airDetermination of hexavalent chromium in airbo

5、rne particulate matterMethod by ion chromatography and spectrophotometric measurement using diphenyl carbaszide , . 1 6 . 6 6 . 6 6 . ISO 7708 , . 0.0110 g 6 . 6 (10.1 ) . 1 m 3 , 0.01 10 gm 3 . 2 . . ( ) . KS B ISO 86551, 1：, KS B ISO 86552, 2： KS B ISO 86555, 5： KS I ISO 16740：2007 KS B ISO 86556,

6、 6： KS L ISO 648, KS L ISO 1042, KS M ISO 3696, ISO 3585, Borosilicate glass 3.3Properties ISO 7708, Air qualityParticle size fraction definitions for health-related sampling EN 13205, Workplace atmospheresAssessment of performance of instruments for measurement of airborne particle concentrations 3

7、 . 3.1 3.1.1 (chemical agent) , , EN 1540 1 3.1.2 (breathing zone) , 3.1.3 (breathing zone) , ( 0.3 m ) . . 1 . 2 EN 1540 1 . 3.1.4 (exposure) 3.1.5 (measuring procedure) 3.1.6 (operating time) EN 1232 2 3.1.7 2 KS I ISO 16740：2007 , TWA , TWA 3 . 3.1.8 (limit value) Threshold Limit Value (TLV) Amer

8、ican Conference of Government Industrial Hygienists(ACGIH) 3 . 3.1.9 (reference period) ACGIH 3 . 3.1.10 (workplace) EN 1540 1 3.2 3.2.1 (inhalable convention) , ISO 7708 3.2.2 (inhalable fraction) ISO 7708 , . 3.2.3 (respirable convention) , ISO 7708 3.2.4 (respirable fraction) ISO 7708 3.2.5 3 KS

9、I ISO 16740：2007 (total airborne particles) , ISO 7708 , . 3.3 3.3.1 EN 1540 1 3.3.2 EN 1540 1 3.3.3 , , , . 3.3.4 (ststic sampling), (area sampling) 3.3.5 (static sampler), (area sampler) , 3.4 3.4.1 (blank solution) , 3.4.2 (calibraion blank solution) 0 . 3.4.3 (calibration solution) , 4 KS I ISO

10、16740：2007 3.4.4 (field blank) , , 3.4.5 (laboratory blank) , 3.4.6 (linear dynamic range) . 3.4.7 (reagent blank) , , 3.4.8 (sample dissolution) 3.4.9 (sample preparation) , 3.4.10 (sample solution) , , . 3.4.11 (test solution) , , , . 3.4.12 (working standard solution) , . 5 KS I ISO 16740：2007 3.

11、5 3.5.1 (analytical recovery) , (%) 3.5.2 (bias) ISO 6879 4 3.5.3 (overall uncertainty) EN 482 5 , . 100 ref 2 ref x s x x x ： (n) x ref： s ： 3.5.4 (precision) ISO 6879 4 3.5.5 (true value) , ISO 35341 6 , . 3.5.6 (uncertainty of measurement) 1 ( ), . 2 . , . . The Guide to the Expression of Uncerta

12、inty in Measurement (GUM) A (Type A) B (Type B) . 3 International Vocabulary of Basic and General Terms in 6 KS I ISO 16740：2007 Metrology(VIM) 8 4 , 6 (8.1.1 ). , 6 . 6 , . 6 , / . 6 ( 20 gL 1 )/ ( 30 gL 1 ) . 3 6 . 6 1,5-(diphenylcarbazide) - (post-column) 540 nm . 6 . 6 . , 6 / . 5 6 1,5 3 . 540

13、nm 3 . . 6 , ( , EN 482 5 ) . 7 7.1 . 7.1 KS M ISO 3696 2 (25 0.1 mSm 1 , 0.01 M m .) . 0.18 M m( 18 M cm .) . 7.2 (H 2 SO 4 ) , 1.84 gmL 1 , 98 % 7 KS I ISO 16740：2007 . . , (, , ) . . . , . . / . 7.3 (HNO 3 ) , 1.42 gmL 1 , 70 % , . , . , (, , ) , . 7.4 (HNO 3 ) 1/10 1 L (8.2.3.1) 450 mL (7.1) (7.

14、3) 50 mL . . , . . . . 7.5 (NH 4 ) 2 SO 4 99.5 % 7.6 (NH 4 OH) , 0.9 gmL 1 , (NH 3 ) 29 % , . , . (, , ) . . 7.7 (Na 2 CO 3 ) , 99.9 % 7.8 (NaOH) , 99.5 % , . , . 8 KS I ISO 16740：2007 (, , ) . 7.9 1,5 (C 6 H 5 NHNH) 2 CO 1,5- 98 % 7.10 (CH 3 OH) HPLC 7.11 (K 2 Cr 2 O 7 ) 99.9 % 7.12 7.12.1 6 (NH 4

15、) 2 SO 4 , c0.5 molL 1 /(NH 4 OH), c0.5 molL 1 500 mL (7.1) (7.5) 66 g . 1 L (8.2.2.2) , 32.5 mL (7.6) . , . 7.12.2 6 (NH 4 ) 2 SO 4 (c0.05 molL 1 )/(NH 4 OH)(c0.05 molL 1 ), pH 8 1 L (8.2.2.2) 100 mL 6 (7.12.1) , (7.1) . . , (orthophosphoric acid) 9 pH 8 K 2 HPO 4 3H 2 O( 22.8 gL 1 ) pH 8 . , . 7.1

16、2.3 6 ( 20 gL 1 )/( 30 gL 1 ) 250 mL (7.1) 20 g (7.8) 30 g (7.7) . 1 L (8.2.2.2) . . , ( 100 gL 1 )/( 20 gL 1 ) 10 . , . 7.13 7.13.1 9 KS I ISO 16740：2007 (NH 4 ) 2 SO 4 (c2.0 molL 1 )/(NH 4 OH)(c1 molL 1 ) 500 mL (7.1) 264 g (7.5) . 1 L (8.2.2.2) , 65 mL (7.6) . . 1 (8.2.3.1) . 7.13.2 (NH 4 ) 2 SO

17、4 (c0.20 molL 1 )/(NH 4 OH)(c0.1 molL 1 ) 1 L (8.2.2.2) 100 mL (7.13.1) (7.1) . . 7.14 pH pHpH (80.5) pH(pH 2 ) . 7.15 6 7.15.1 6 (stock) a) 1 000 mgL 1 6 . . 6 (Cr 6 ) mg (CrO 4 2 ) mg . 6 (7.15.2) , 6 . b) , 1 000 mgL 1 6 . (7.1) 0.282 8 g (7.11)(110 ) . 100 mL (8.2.2.2) , . . 1 (8.2.3.1) . (K 2 C

18、rO 4 ) 6 . .15.2 6 76 10 mgL 1 , (7.1) . . . .16 1 L (8.2.2.2) ( , 10.0 mL) 6 (7.15.1) 7250 mL (8.2.2.2) 125 mL (7.1) . 7 mL (7.2) 10 KS I ISO 16740：2007 . 25 mL (7.10) 0.125 g 1,5- (7.9) . , (7.1) . . . 1,5- ( , ) . .1 .1.1 N 13205 , . (sampling cassette) . ). .1.2 , 99.5 % . 6 . , . 5 m polymer) , 5 m -(quartz-fibre) 6 10 , . 888E 1 , . 2 , .