KS M ISO 2272-2007 Surface active agents－Soaps－Determination of low contents of free glycerol by molecular absorption spectrometry《表面活性剂 肥皂 用分子吸收光谱测定法对低浓度游离甘油的测定》.pdf

1、 KSKSKSKSKS M ISO 2272SKSKSKS KSKSKS SKSKS KSKS SKS KS KS M ISO 2272： 2007 2007 4 6 http:/www.kats.go.kr KS M ISO 2272：2007 ： () ( ) LG () () ( ) ) ： ( http:/www.standard.go.kr： ：2000 12 30 ：2007 4 6 20070116 ： ： ( 025097301) ( http:/www.kats.go.kr). 7 5 , . KS M ISO 2272： 2007 Surface active agents

2、Soaps Determination of low contents of free glycerol by molecular absorption spectrometry 1989 2 ISO 2272(Surface active agents Soaps Determination of low contents of free glycerol by molecular absorption spectrometry) . 1 . 0.5 %(m/m) . 2 . . KS L 2317, (ISO 385 1, 1042) KS M ISO 8212, ISO 6353 3,

3、Reagents for chemical analysisPart 3 ：Specifications Second series 3 . . . 571 nm . 4 . 4.1 KS M ISO 2272：2007 40 60 . 4.2 20 wt% (225 g/L, 201.14 g/mL) 4.3 64 wt% (980 g/L, 201.54 g/mL) 4.4 ( 0.03 mol/L) 99.8 % (NaIO4) 1.6 g (250 mL) 25 g/L 100 mL 25 g/L . 4.5 1,83,6 (2 ) 0.25 g ( 99 % ) 0.23 g (25

4、0 mL) 10 mL . 1 500 g/L 83.6 %(m/m) . . 1 cm 571 nm 75 % . 4.6 (II) (II)(2 )(SnCl22H2O) 3.0 g (100 mL) ( 201.18 g/mL) 3 mL . . 4.7 (25 mg /L) ISO 63533 (R 64) 500.0 mg 0.01 mg (1 000 mL) . . 50 mL (1 000 mL) . 1 mL 25 g . 5 . 5.1 KS L 2317 A 100 mL . 5.2 KS L 2317 A 0.01 mL 5 mL . 5.3 (Waterbath) 5.

5、4 250 mL . 2 KS M ISO 2272：2007 5.5 350 nm 760 nm . 6 KS M ISO 8212 . 7 7.1 (conical) ( 6.) 2 g3 g 1 mg . (4.2) 10 mL (5.3) . 250 mL ( 5.4) . ( 4.1) 25 mL (conical) 25 mL . (conical) . 10 mL . 25 mL . . (5.1)(100 mL) . ( .) (100 mL) . . 7.2 . 2.00 mL . 7.3 7.3.1 1 cm . ( 5.1)(100 mL) 5 mL ( 5.2) ( 4

6、.7) 0.40 mL, 0.80 mL, 1.40 mL, 2.00 mL . 10 g, 20 g, 35 g, 50 g . 2 mL 7.4.1 . 7.3.2 7.4.2 0 ( 7.3.1) ( 7.2 ) . 7.3.3 . (g/100 mL ) . 7.4 3 KS M ISO 2272：2007 7.4.1 (7.1 ) 2.00 mL ( 5.1)(100 mL) . ( 4.4) 1 mL 15 . (II)( 4.6) 1 mL ( 4.5) 10 mL . 30 (5.3) . ( 4.3) . 1.00 mL (100 mL) . 7.4.2 (5.5) 1 cm

7、 7.4.1 . 0 ( 571 nm, .) 15 25 . 8 (7.3.3 ) ( g) . . 021021005.0000100012100100)(mmmmmm = ：7.1 (g) m0： 7.3.3 7.4.1 (g) m1： (g) m22 ：7.4.1 (mL) 2.00 mL 1.00 mL , . 02101.0mmm 9 . a) b) ( ) c) d) , 4 135513 7017 (02)60094114 (02)600948878 http:/ KS M ISO 2272： 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Surface active agents Soaps Determination of low contents of free glycerol by molecular absorption spectrometry ICS 71.100.40 Korean Agency for Technology and Standards http:/www.kats.go.kr