KS M ISO 2270-2008 Non-ionic surface active agents－Polyethoxylated derivatives－Iodometric determination of oxyethylene groups《非离子表面活性剂 聚乙氧基衍生物 氧化乙烯基的碘量的测定》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 2270 KS M ISO 2270:2008 2008 10 16 http:/www.kats.go.krKS M ISO 2270:2008 : ( ) ( ) LG () KIST ( ) : (http:/www.standard.go.kr) ： ： 2000 12 30 ： 2008 10 16 2008-0676 ： ： ( 025097301) (http:/www.kats.go.kr). 10 5 , . KS M ISO 2270:2008 Non-ionic surf

2、ace active agents Polyethoxylated derivatives Iodometric determination of oxyethylene groups 1989 2 ISO 2270, Non-ionic surface active agents Polyethoxylated derivatives Iodometric determination of oxyethylene groups , . 1 . . 1 (Oleyl) , , . , 2 . . ( ) . KS L 2317, KS L ISO 383, KS M ISO 2270:2008

3、 2 3 . . 4 (CH2 CH2O) (ICH2 CH2I) . RO (CH2 CH2O)nH 2nHInICH2 CH2I ROH nH2O . ICH2 CH2IC2H4 I2 R ROH RI . ( ) HI . 5 . 5.1 5.2 99.5 % 5.3 ( 20 1.70 g/mL) 5.4 ( 200.79 g/mL) 5.5 (100 g/L) 5.6 c(Na2S2O3) 0.1 mol/L 5.7 5 g, (II) 10 g 30 mL . 1 L 3 . 6 . 6.1 ( 1 2 ) 19/26 14/23 50 mL . KS L ISO 383 . 6.

4、2 ( 1 2 ) 1.5 mm 20 mm 14/23 . KS M ISO 2270:2008 3 10 mm . 6.3 ( 1 2 ) 200 500 mm, 19/26 45 14/23 ( 1 ). KS L ISO 383 . 6.4 (absorption bulbs) 7 10 mL ( 1 2 ). 6.5 ( 1 ) . 6.6 (1651) . 6.7 0.5 mL/s . 6.8 KS L 2317 A 50 mL . 7 7.1 0.1 mg . 33 wt% 60 300 mg 33 wt% 20 100 mg 7.2 (7.1) (6.1). . (5.2) 3

5、 g . (6.2) (6.3) (5.3) . (5.1) 0.5 mL/s 20 . (1651) . 0.1 0.5 mL/s 5 mL . (7 10 mL) (6.4) . 30 20 . 80 . . . . KS M ISO 2270:2008 4 7 10 mL . . . . (250 mL) . . (5.7) (5.6) . 7.3 . 8 8.1 . mcVVmcVV )(2.2100022.0)(0101= V0： 7.3 (5.6) (mL) V1： 7.2 (5.6) (mL) c ： (5.6) (mol/L) m ： 7.1 (g) 0.022 ： 1.00

6、mL (g) c(Na2S2O3) 1.000 mol/L 8.2 8.2.1 10 wt% 1.5 % . 8.2.2 10 wt% 3 % . 9 . a) b) c) d) , , KS M ISO 2270:2008 5 1 KS M ISO 2270:2008 6 2 1 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M ISO 2270:2008KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Non-ionic surface active agents Polyethoxylated derivatives Iodometric determination of oxyethylene groups ICS 71.100.40