1、 KS D 2023KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS KS D 2023:2007 2007 6 29 http:/www.kats.go.krKS D 2023: 2007 : () ( ) () ( ) : (http:/www.standard.go.kr) : :1978 12 18 :2007 6 29 2007 0357 : : ( 025097274) ( http:/www.kats.go.kr). 7 5 , . KS D 2023: 2007 Determination of aluminium in magnesium a
2、lloys 1 . 2 . . KS D 2022, KS M 0013, KS M 0015, KS M 7602, ( ) 3 KS D 2022 . 4 . a) b) 4.1 4.1.1 . . . 4.1.2 a) b) (1: 1) c) (20 g/L) KS D 2023: 2007 d) KS M 0015 . e) f) 20 g 1 L , 1 2 . g) (20 g/L) h) i) (20 g/L) j) (8- ) 40 g (1: 1) 200 mL , 1 L . 4.1.3 a) 0.3 g (500 mL) 50 mL , 10 mL . 1) 200 m
3、L . b) 25 mL 1 2 , , 1 2 mL . 20 30 , KS M 7602 (5 A) , . c) , (1: 1) 40 mL . , .2)d) 10 mL 1 2 . pH 4 5 3) , 30 mL 70 80 . 20 mL 30 , (G4) , 2 3 , . 1) , . , . (5 A) , , (1: 3) 1 2 mL . , 0.5 1 g , . 2) 0.05 % . 10 mL , 20 mL 1 2 , (10 %) 10 mL . 100 mL . , (5 A) (1 %) . (1: 1) 20 mL , , 1 2 , 4.1.
4、3 d) . 3) . 2 KS D 2023: 2007 e) 130 140 4) , .5)SA 87.5Al(%)= A : Al(C9H6ON)3 (g) S : (g) 4.2 4.2.1 . EDTA pH , EDTA . (XO) EDTA . 4.2.2 a) (1: 1) b) c) (1: 4) d) e) (1: 2) f) (10 g/L, 100 g/L) g) ( ) h) i) (250 g/L) j) 20 g 1 L 1 2 . k) (200 g/L) l) (EDTA) (2 ) 38 g 1 L . m) (1 mg Al/mL) (99.90 %
5、) 0.500 g (300 mL)4) 1 . 5) 4.1.3 c) 4.2.3 b) . 150 mL 4.1.3 b) . , 1 100 30 , , . SA 9.52Al(%)= A : (g) S : (g) 3 KS D 2023: 2007 25 mL, (1: 1) 20 mL (1: 1) 5 mL . , (500 mL) . n) (99.99 % ) 3.27 g (300 mL) 25 mL, (1: 1) 25 mL (1: 1) 5 mL . , (500 mL) . . (300 mL) EDTA 30 mL (1: 4) 20 mL 20 mL (1:
6、2) (1: 1) pH 5 6 , (XO) 0.5 mL . (mL) a . (300 mL) 30 mL (1:4) 20 mL 4.2.3 d) f) . (mL) b . 1 mL . baF=03.0 F : 1 mL (g) o) (0.1 g/L) KS M 0015 . p) (0.2 g/L) KS M 0015 . q) (XO) (0.1 g/L) KS M 0015 . 4.2.3 a) 6) (300 mL) 50 mL (1: 1) 20 mL . 1 mL 7) 200 mL . b) 25 mL , 1 2 ,8) 1 mL . 20 30 , (5 A)
7、5 . 6) 1 . 1 % g 2.0 4.0 4.0 7.0 7.0 11.0 0.8 0.4 0.3 7) . , . (1: 4) 5 6 1 2 mL . ( ) 0.5 1 g . . 8) pH . 4 KS D 2023: 2007 c) , (1: 4) 20 mL 4 5 . 4 5 , .9)d) 10) EDTA 30 mL11) 20 mL (1: 2) (1: 1) pH 3.0 3.5 .12)e) 15 , (1: 2) (1: 1) pH 56 12). f) (XO) 0.5 mL ,13) . 100)(Al(%)21=SFVV V1: (mL) V2:
8、(mL) F : 1 mL (g) S : (g) 9) 150 g . 30 mL , 1 2 (100 g/L) , 10 mL , 100 mL . 1 2 (5 B) (10 g/L) . (1: 1) 20 mL , . 2 pH 2 (1: 1) . 10) 9) 100 mL . 11) EDTA . pH 3.0 3.5 . 12) pH . 13) 15 . EDTA . 5 135513 7017 (02)60094114 (02)600948878 http:/ KS D 2023: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Determination of aluminium in magnesium alloys ICS 77.120.20; 71.040.40 Korean Agency for Technology and Standards http:/www.kats.go.kr