1、 KS D 2027KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS KS D 2027: 2007 2007 6 29 http:/www.kats.go.krKS D 2027: 2007 : () ( ) () ( ) : (http:/www.standard.go.kr) : :1978 12 2 :2007 6 29 2007 0357 : : ( 025097274) ( http:/www.kats.go.kr). 7 5 , . KS D 2027: 2007 Determination of copper in magnesium allo
2、ys 1 . 2 . . KS D 2022, KS M 0012, KS M 0013, KS M 0016, KS M 8001, 3 KS D 2022 . 4 . a) b) 0.05 % . c) 4.1 4.1.1 , , , , EDTA . 430 nm . 4.1.2 a) (1: 1) KS D 2027: 2007 b) (1: 1) c) (500 g/L) d) (250 g/L) e) (10 g/L) f) 10 g , 1 L . . g) EDTA (50 g/L) h) i) (1 g/L) . . j) (0.2 mg Cu/mL) KS M 8001 .
3、 4.1.3 KS M 0012 . 4.1.4 a) 1.0 g (300 mL) , 15 mL . , 1 mL .1)b) 10 mL, 20 mL, 5 mL, 5 mL EDTA 10 mL , pH 8 9 .2)c) (100 mL) , 5 mL , . d) , 430 nm 3) , 4) , . 100Cu(%) =SA A : (g) S : (g) 1) 0.05 % , 4.1.4 b) . 2) 0.005 % . 4.1.4 b) , pH 8 9 (250 mL) 150 mL . (0.1 g/L) 5 mL , 25 mL , 2 . 4.1.4 b)
4、, . 3) 60 . 1 mg/100 mL , . 4) 1 g 5 (300 mL) , 4.1.4 b) . 2 KS D 2027: 2007 4.2 4.2.1 , , pH 4 , . 4.2.2 a) (1: 1) b) (1: 3) c) (50 g/L) d) (250 g/L) e) (5 g/L %) f) g) (0.2 mg Cu/mL) KS M 8001 . 4.2.3 KS M 0013 3. . 4.2.4 a) 1.0 g (200 mL) , 15 mL . 1 mL . b) , 2 mL pH 4 .5) 2 mL (100 mL) . c) 6)
5、5 , 0 0.5 V 7) , 8) , . 100Cu(%) =SA A : (g) S : (g) 4.3 5) pH . 6) . 7) 0.2 V(vs.S.C.E), 1.1 V(vs.S.C.E) . . 0.8 1.4 V . 8) 1 g 5 (200 mL) 4.2.4 a) . 0.0, 2.0, 5.0, 10.0 mL 4.2.4 b) . 3 KS D 2027: 2007 4.3.1 , 324.7 nm . 4.3.2 a) b) c) (1.00 mg Cu/mL) KS M 8001 . d) (1.00 mg Cu/mL) . 4.3.3 KS M 001
6、6 . 4.3.4 a) 1.0 g (100 mL) , . . b) (100 mL) . c) 9) 324.7 nm , 10) . 100Cu(%) =SA A : (g) S : (g) 9) KS M 8001 (1.00 mg Cu/mL) 0, 2, 4 6 g Cu/mL . 10) 324.7 nm 327.4 nm . , 0, 5, 10, 20 25 g Cu/mL . 4 KS D 2027: 2007 A ( ) a) EDTA . b) 0.05 % , . 0.05 % . c) 1 mg , 4.1.4 c) . 5 135513 7017 (02)60094114 (02)600948878 http:/ KS D 2027: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Determination of copper in magnesium alloys ICS 77.120.20; 71.040.40 Korean Agency for Technology and Standards http:/www.kats.go.kr
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