KS I ISO 7393-3-2007 Water quality－Determination of free chlorine and total chlorine－Part 3：Iodometric titration method for the determination of total chlorine《水质 游离氯和总氯的测定 第3部分 碘量.pdf

《KS I ISO 7393-3-2007 Water quality－Determination of free chlorine and total chlorine－Part 3：Iodometric titration method for the determination of total chlorine《水质 游离氯和总氯的测定 第3部分 碘量.pdf》由会员分享，可在线阅读，更多相关《KS I ISO 7393-3-2007 Water quality－Determination of free chlorine and total chlorine－Part 3：Iodometric titration method for the determination of total chlorine《水质 游离氯和总氯的测定 第3部分 碘量.pdf（16页珍藏版）》请在麦多课文档分享上搜索。

1、 KS I ISO 73933 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 3： KS I ISO 73933 ：2007 (2012 ) 2007 6 29 http:/www.kats.go.krKS I ISO 73933：2007 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： : 1997 6 3 : 2007 6 29 ：2012 12 27 ： 20120787 ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS I ISO 73933：2007

2、 ii 1 1 2 1 3 .1 4 .2 5 .2 5.1 ( )2 5.2 (KI) .2 5.3 2 5.4 .3 5.5 3 5.6 .3 6 .3 7 3 8 4 8.1 4 8.2 .4 9 4 9.1 .4 9.2 .4 10 .6 11 6 A 7 B 8 B.1 .8 B.2 .8 B.3 .8 B.4 .8 B.5 .8 B.6 .8 C10 i KS I ISO 73933：2007 ii 1990 2 ISO 73933 Water quality Determination of free chlorine and total chlorinePart 3 ：Iodo

3、metric titration method for the determination of total chlorine . KS I ISO 73933：2007 (2012 ) 3： Water quality Determination of free chlorine and total chlorine Part 3 ：Iodometric titration method for the determination of total chlorine 1 . 0.010.21 mmol/L(0.7115 mg/L) . (10. ). B . 7 mol/L(0.5 mg/L

4、) . 2 . KS M ISO 56671, ( ) KS M ISO 56672, 2： 3 3.1 , 3.2 3.3 , 2 3.4 KS I ISO 73933：2007 (NH 2 Cl), (NHCl 2 ), (NCl 3 ) 1 , , , , 4 . . . 5 5.1 . 5.1 ( ) . 2 (250 mL)(6. ) . a) 100 mL (5.2) 1 g, (5.3) 2 mL (5.6) 1 mL b) 100 mL (5.2) 1 g, (5.3) 2 mL (5.6) 1 mL. 0.1 g/L ( .) 10 . , . . . A . 5.2 (KI

5、) 5.3 c(H 3 PO 4 ) 0.87 mol/L ( 1.69 g/mL) 64 mL , 1 000 mL . 2 KS I ISO 73933：2007 5.4 c(1/6 KIO 3 )10 mmol/L 0.360 g mg . 1 (1 000 mL) , . 5.5 c(Na 2 S 2 O 3 5H 2 O) 10 mmol/L 5.5.1 1 (1 000 mL) 250 mL 2.48 g . . 5.5.2 . (500 mL) (5.1) 200 mL . 1 g (5.2) , 10.0 mL (5.5.1), 2 mL (5.3) 1 mL (5.6) .

6、(5.4) 30 . . (c 1 ) (mmol/L). 1 2 2 1 V c V c c 2 ： c (1/6 KIO 3 )10 mmol/L V 1 ： (5.5.1) (V 1 10 mL) V 2 ： (mL) 5.6 5 g/L 6 . 0.05 mL 25 mL , 30/mL . 0.1 g/L 1 . . 7 KS M ISO 56671 KS M ISO 56672 . 3 KS I ISO 73933：2007 8 8.1 . . 0.21 mmol/L(15 mg/L) 200 mL . , (5.1) 200 mL . 8.2 (8.1) (500 mL) . 1

7、 g (5.2), 2 mL (5.3) 1 mL (5.6) 10.0 mL(V 4 ) (5.5) . (5.4) 30 . (V 3 ) . . . 9 9.1 c(Cl 2 ) (mmol/L). 0 2 3 1 4 2 2 ) (Cl V c V c V c c 1 ： (5.5) (mmol/L) c 2 ：5.5.2 . V 0 ： (8.1)(mL) V 3 ：(8.2) (5.4) (mL) V 4 ：8.2 (5.5) (V 4 10 mL) (mg/L) . (Cl 2 )M c(Cl 2 ) M： (M70.91 g/mol) 9.2 . (USAEPA Environ

8、mental Monitoring and Support Laboratory) . c(Cl 2 )3.5 mol/L 56.7 mol/L (Cl 2 )0.25 mg/L 4.02 mg/L 4 KS I ISO 73933：2007 0.23 % 0.76 %. , c(Cl 2 ) 9.6 mol/L (Cl 2 )0.68 mg/L 5.2 %. . , c(Cl 2 )4.2 mol/L (Cl 2 )0.30 mg/L 9.7 %. . c(Cl 2 )28.2 mol/L (Cl 2 )2 mg/L 2.23.7 %, c(Cl 2 )282 mol/L (Cl 2 )20

9、 mg/L 0.390.65 %. , . ( B ). . (Cincinnati) (EMSL) , . 2 2 . 2 c(Cl 2 ) (Cl 2 ) mol/L mg/L a mol/L mg/L mol/L mg/L 7 11.3 15.5 18.2 0.50 0.80 1.10 1.29 A B C D A B C D A B C D A B C D 3 6 7 2 4 10 14 6 4 10 14 6 4 6 7 2 9.2 6.2 6.8 6.2 11.8 10.9 11.1 11.6 15.9 15.5 16.2 16.5 18.8 18.6 19.9 20.0 0.65

10、 0.44 0.48 0.44 0.84 0.77 0.79 0.82 1.13 1.10 1.15 1.17 1.33 1.32 1.41 1.42 5.1 1.3 1.8 2.7 1.4 1.1 4.1 1.3 1.6 2.0 5.5 1.1 10.2 1.3 5.4 0.6 0.36 0.09 0.13 0.19 0.10 0.08 0.29 0.09 0.11 0.14 0.39 0.08 0.72 0.09 0.38 0.04 aA ： B： C：DPD D：DPD 5 KS I ISO 73933：2007 10 . . , , , , , , , , , , , , , , ,

11、3 , 2 3 . 11 . a) b) c) d) , 6 KS I ISO 73933：2007 A () , 10 mg/L , 16 . 30 . 5.1 . 7 KS I ISO 73933：2007 B () B.1 . 500 mL , 7 mol/L(0.5 mg/L) . 10. . B.2 . B.3 5. . B.4 6. . B.5 B.5.1 8.1 . 0.014 mmol/L(1 mg/L) 1 000 mL . 0.014 0.14 mmol/L(110 mg/L) 500 mL . . . B.5.2 (B.5.1) . 2 mL , pH 23 1 g .

12、(5.5) . 1 mL (5.6) . . (V 5 ) . B.6 c(Cl 2 ) (mmol/L). 0 5 1 2 2) (Cl V V c c 8 KS I ISO 73933：2007 c 1 ： (5.5) (mmol/L) V 0 ： (B.5.1) (mL) V 5 ：B.5.2 (5.5) (mL) (mg/L) . ) (Cl ) (Cl 2 2c M M： (M 70.91 g/mol) 9 KS I ISO 73933：2007 10 C () 1 BENDER, D.F., Comparison of methods for the determination o

13、f total available residual chlorine in various sample matrices, Report No. EPA600/478019, Cincinnati, Ohio 45268, USA, US Environmental Protection Agency, 1978 2 Department of the Environment. Chemical disinfecting agents in waters and effluents, and chlorine demandMethods for the examination of wat

14、ers and associated materials. London, UK, HMSO(1980) 3 HALLIMAN, F.J., Thiosulphate titration for determining chlorine residuals, J. Am. Chem. Soc. 61 (1939), p.265 4 Studies WS007 and WS008. Cincinnati, Ohio 45268, USA, Quality Assurance Branch, Environmental Monitoring and Support Laboratory, Offi

15、ce of Research and Development, US Environmental Protection Agency, 1980 5 WILSON, V.A., Determination of available chlorine in hypochlorite solution by direct titration with sodium thiosulphate. Ind. Eng. Chem. Anal. Ed. 7(1935),p.44 3： 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS I ISO 73933 ：2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Water quality Determination of free chlorine and total chlorine Part 3 ：Iodometric titration method for the determination of total chlorin ICS 13.060.50 Korean Agency for Technology and Standards http:/www.kats.go.kr