1、 KS D 2026KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS KS D 2026: 2007 2007 6 29 http:/www.kats.go.krKS D 2026: 2007 : () ( ) () ( ) : (http:/www.standard.go.kr) : :1978 12 9 :2007 6 29 2007 0357 : : ( 025097274) ( http:/www.kats.go.kr). 7 5 , . KS D 2026: 2007 Determination of silicon in magnesium all
2、oys 1 . 2 . . KS D 2022, KS M 0012, KS M 8001, 3 KS D 2022 . 4 4.1 430 nm . 4.2 a) (1: 4) b) (1: 1) c) ( ) d) (NH4)6Mo7O24 4H2O 100 g 1 L . . e) (0.5 mg Si/mL) KS M 8001 . 4.3 KS M 0012 . 4.4 KS D 2026: 2007 a) 1 g (300 mL) , 25 mL 5 mL , (1: 4) 12 mL . (1: 4) 1 mL 0.5 mL 1) .2)b) (250 mL) 200 mL ,
3、10 mL 10 , . c) 3) 430 nm , 4) . 100Si(%) =SA A : (g) S : (g) 1) , pH 1.0 1.6 . , pH . 2) . (5 C) , 1 g . , 10 . pH 1.0 1.6 4.4 a) 4.4 b) . 3) 5 mL, 1 mL 0.5 mL 4.4 b), c) . 4) 1 g 4.4 a) , 1.0, 3.0, 5.0, 7.0, 10.0 mL , 4.4 b), c) . 2 135513 7017 (02)60094114 (02)600948878 http:/ KS D 2026: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Determination of silicon in magnesium alloys ICS 77.120.20; 71.040.40 Korean Agency for Technology and Standards http:/www.kats.go.kr