KS M ISO 5400-2012 Leather-Determination of total silicon content-Reduced molybdosilicate spectrometric method《皮革 硅总含量的测定 还原硅钼酸盐光谱测定法》.pdf

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1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 5400 KS M ISO 5400:2012 2012 12 28 http:/www.kats.go.krKS M ISO 5400:2012 : ( ) ( ) ATL () ( ) : (http:/www.standard.go.kr) : :2002 12 31 :2012 12 28 2012-0802 : : ( 02-509-7278) (http:/www.kats.go.kr). 10 5 , . KS M ISO 5400:2012 i 1984 1 ISO 5400

2、 Leather Determination of total silicon contentReduced molybdosilicate spectrometric method , . KS M ISO 5400:2012 Leather Determination of total silicon content Reduced molybdosilicate spectrometric method 1 . SiO2 . . . (Elliott, JSLTC, 1964, 48, 105; SLTC Method SLC/16). . 2 . . ( ) . KS L ISO 1

3、042, KS L ISO 835 1, 1: KS L ISO 835 2, 2: KS M ISO 2418, , , KS M ISO 2588, KS M ISO 4044, 3 Parr . 630 nm . 4 . 4.1 , 20 1.83 g/mL, 1: 1 KS M ISO 5400:2012 2 4.2 , , c(1/2 H2SO4) 1.0 mol/L 4.3 4.4 , 100 g/L 4.5 , 100 mL 20 0.880 g/mL 2 mL 100 g/L 4.6 (II), , 10 g/L 12 mL SnCl2 2H2O 10 g . 20 1.19

4、g/mL 5 mL 1 000 mL . . 4.7 , 100 g , 10 g , 3 g . 5 5.1 Parr , 22 mL 5.2 , 250 mL 5.3 , KS L ISO 1042 100 mL 500 mL . 5.4 , KS L ISO 835 1 KS L ISO 835 2 5.5 , 0.001 g 5.6 5.7 pH , . 6 6.1 , KS M ISO 2588 . KS M ISO 2418 . 6.2 . KS M ISO 5400:2012 3 7 7.1 KS M ISO 4044 . 7.2 Parr (5.1) 6 g , 0.5 g 0

5、001 g . 0.5 mL (4.3) (4.7) 20 g . . 20 . . (5.2) . . . . . 2 . (4.1) . . 500 mL (5.3) . . ( 10 mL) 0.05 0.2 mg (V) 40 mL . (4.2) pH 1.8 . 100 mL (5.3) . 10 mL 30 . 10 mL(4.1), (II) (4.6) 10 mL . (5.6) 630 nm . 1 . 7.3 0.001 g 0.1 g . 7.2 (aliquot) . 8 8.1 SiO2 . Vmm 5001 m0: (g) m1: SiO2 (g) V : (m

6、L) 50 : 8.2 , 0.2 % . 8.3 KS M ISO 5400:2012 4 0.5 % . 9 9.1 (ash) . . 9.2 Wurzschmitt Parr . . 10 . a) b) c) d) e) 153787 1 92 3(16) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M ISO 5400:2012KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Leather Determination of total silicon content Reduced molybdosilicate spectrometric method ICS 59.140.30

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