KS I ISO 21438-3-2012 Workplace atmospheres－Determination of inorganic acids by ion chromatography－Part 3：Hydrofluoric acid and particulate fluorides《工作场所空气 利用离子色谱法测量无机酸 第3部分 氢氟酸与颗.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 21438 3 3： KS I ISO 21438 3:2012 2012 12 27 http:/www.kats.go.krKS I ISO 21438 3:2012 : ( ) ( ) ( ) : (ISO/TC146) () ( ) : (http:/www.standard.go.kr) ： ：2012 12 27 2012-0785 ： ： (ISO/TC146) ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS I ISO 21

2、438 3:2012 i . iii 1 1 2 1 3 .2 3.1 2 3.2 3 3.3 .3 3.4 4 3.5 5 4 7 5 7 6 7 7 9 7.1 .9 7.2 11 8 13 8.1 .13 8.2 .13 8.3 .13 8.4 .13 9 .14 9.1 .14 9.2 .16 9.3 .17 9.4 17 9.5 .18 10 18 10.1 18 10.2 19 10.3 .20 10.4 20 10.5 21 11 .22 12 .22 12.1 .22 12.2 22 12.3 .22 12.4 .23 KS I ISO 21438 3:2012 ii 12.5

3、 23 12.6 .23 13 .23 13.1 23 13.2 .24 A( ) 25 A.1 .25 A.2 HF .25 B( ) .27 B.1 (pre-filter) .27 B.2 HF 27 28 KS I ISO 21438 3:2012 iii 2010 1 ISO 21438 3, Workplace atmospheres Determination of inorganic acids by ion chromatography Part 3： Hydrofluoric acid and particulate fluorides , . KS I ISO 21438

4、 3:2012 3： Workplace atmospheres Determination of inorganic acids by ion chromatography Part 3： Hydrofluoric acid and particulate fluorides 1 (pre-filter) (HF) (HF) . . , KS I ISO 7708 ( ) . 1.25 mg 0.005 mg , HF 1.2 mg 0.012 5 mg . HF . 120 L , 10 mg/m3 0.04 mg/m3, HF 10 mg/m3 0.13 mg/m3 . HF (pre-

5、filter) . 2 . . ( ) . KS B ISO 8655 1, 1： , KS B ISO 8655 2, 2： KS B ISO 8655 6, 6： KS I ISO 7708, KS L ISO 1042, KS I ISO 21438 3:2012 2 ISO 3585:1998, Borosilicate glass 3.3 Properties EN 13205, Workplace atmospheres Assessment of performance of instruments for measurement of airborne particles 3

6、. 3.1 3.1.1 (breathing zone) 3.1.2 (breathing zone) ( 0.3 m ). , , . . 3.1.3 (chemical agent) , , ( ) 3.1.4 (exposure by inhalation) 3.1.5 (occupational exposure limit value) ACGIH (TLV)( 18) ( 2006/15/EC19) (IOELV) 3.1.6 (measurement procedure for the sampling and analysis of chemical agents in air

7、) (measuring procedure for the sampling and analysis of chemical agents in air) . , , , . KS I ISO 21438 3:2012 3 3.1.7 (operating time) 3.1.8 (reference period) 8 15 . 3.1.9 (workplace) 3.2 3.2.1 (inhalable convention) 3.2.2 (inhalable fraction) , . 3.2.3 (respirable convention) 3.2.4 (respirable f

8、raction) 3.2.5 (total airborne particles) . 3.3 3.3.1 (air sampler) . KS I ISO 21438 3:2012 4 3.3.2 (personal sampler) , . . 3.3.3 (personal sampling) 3.3.4 (static sampler) (area sampler) , 3.3.5 (static sampling) (area sampling) 3.4 3.4.1 (analysis) 3.4.2 (blank solution) , 3.4.3 (calibration blan

9、k solution) 0 . 3.4.4 (calibration solution) . 3.4.5 (field blank) . , . 3.4.6 (laboratory blank) , (batch) KS I ISO 21438 3:2012 5 3.4.7 (linear dynamic range) (calibration curvature) . 3.4.8 (reagent blank) , , 3.4.9 (sample dissolution) . . 3.4.10 (sample preparation) . . 3.4.11 (sample solution)

10、 . 3.4.12 (stock standard solution) , 3.4.13 (test solution) , . 3.4.14 (working standard solution) 3.5 3.5.1 (analytical recovery) KS I ISO 21438 3:2012 6 . 3.5.2 (bias) 1 . . . 2 . “ ” . 3 . 4 , , . 3.5.3 (coverage factor) k (k) 2 3 . 3.5.4 (combined standard uncertainty) uc . . 3.5.5 (expanded un

11、certainty) 3.5.6 (precision) 1 . 2 . . 3 . . 3.5.7 (true value) KS I ISO 21438 3:2012 7 . 3.5.8 ( ) uncertainty (of measurement) 1 ( ) . 2 , . , . ISO/IEC Guide 98 34 A , B . 4 4.1 HF (pre-filter) . (pre-filter) HF . 4.2 (pre-filter) (10.1.1 ) . 4.3 HF (10.1.1 ) . 4.4 . UV/ . 4.5 . HF . 5 , , ( , EN

12、 48210). 6 6.1 . . . 6.1 , 0.18 M m(18 M cm) . KS I ISO 21438 3:2012 8 6.2 (Na2CO3), , 99.9 % 6.2.1 6.2.1.1 , 2.0 mol/L, 25 mm 21.2 g Na2CO3 . 100 mL (7.2.2.2) . 6.2.1.2 , 0.75 mol/L, 37 mm 7.95 g Na2CO3 . 100 mL (7.2.2.2) , . 6.2.1.3 , 50 g/L, 37 mm 5.0 g Na2CO3 . 100 mL (7.2.2.2) , . 6.2.2 , 2.7 m

13、L (6.2.1) 500 mL (7.2.2.2) . 6.3 , (7.2.6.2) 6.4 /D- . . 6.4.1 (C8H6O4), 99.5 % 6.4.2 (C2H3N), HPLC 6.4.3 (CH3OH), HPLC 6.4.4 (LiOHH2O), 99.5 % 6.4.5 (H3BO4), 99.8 % 6.4.6 D- , D- (C6H12O7) 50 % 6.4.7 (C3H8O3), 99 % 6.4.8 , 9 1 0.1 mol/L 1 L 900 mL (6.4.2) 100 mL (6.4.3) 16.6 g KS I ISO 21438 3:2012

14、 9 (6.4.1) . 6.4.9 , 1 mol/L (6.4.4) 4.2 g (6.1) . 100 mL (7.2.2.2) . 6.4.10 , ： pH 4.9 0.005 mol/L (6.4.8) 50 mL 1 L (7.2.2.1) 800 mL (6.1) (6.4.9) pH 4.9 . 1 L (7.2.2.2) . 6.4.8 . . . 6.4.11 D- , 17 g (6.4.5), 4.8 g (6.4.4), 8.8 mL D- (6.4.6) 62.5 mL (6.4.7) (6.1) . 500 mL (7.2.2.2) (6.1) . 6.4.12

15、 D- , 1 L (7.2.2.2) 15 mL D- (6.4.11) 120 mL (6.4.2) (6.1) . 6.4.11 . . . 6.5 6.5.1 , (： 1 000 mg/L) . . 6.5.2 , 100 mg/L (6.5.1) (： 2 mL) 20 mL (7.2.3.1) (6.1) . . 7 7.1 7.1.1 , , EN 13205 , (7.1.3) (pre-filter)(7.1.2.1) (7.1.2.2) , HF KS I ISO 21438 3:2012 10 , HF . 1 , PTFE(polytetrafluoroethylen

16、e) , PVC(poly vinyl chloride), , . 2 CEN/TR 15230:20059 2004 EN 13205 . 7.1.2 , (7.1.1) 7.1.2.1 , 0.3 m 99.5 % (pre-filter)(KS I ISO 7708:2010, 2.2 ) HF . (pre-filter) B.1 . 7.1.2.2 , HF . 100 L 2.0 mol/L (6.2.1.1) 25 mm 250 L 0.75 mol/L (6.2.1.2) 8 37 mm 20, 500 L 50 g/L (6.2.1.3) 37 mm 21 . HF B.2 . 7.1.3 (spacer), (pre-filter)(7.1.2.1) HF (7.1.2.2) , (： PTFE- ) . 7.1.4 , (9.1.1.2) 5 % (9.1.2 ). . . , (： ) (： ) . . . EN 123212 EN 1291914 . 10 % . 5 % . KS I ISO 21438 3:2012 11 5 40 20 5 % . 2 8 . 5 % . EN 123212 EN 1291914 ,