1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D 2029 KS D 2029:2012 2012 5 25 http:/www.kats.go.krKS D 2029:2012 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :1978 12 26 :2012 5 25 2012-0219 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D 2029:2012 i 1 1 2 1 3 1 4 1 5 1 5.1 .1 5.2 .2 5
2、.3 .2 5.4 .2 5.5 3 5.6 .3 5.7 .3 6 .3 6.1 .3 6.2 .3 6.3 .4 6.4 .4 6.5 5 6.6 .5 6.7 .5 7 5 7.1 .5 7.2 .5 7.3 .6 7.4 .6 7.5 7 7.6 .7 7.7 .7 KS D 2029:2012 Methods for determination of iron in magnesium and magnesium alloys 1 . 2 . . ( ) . KS D 2022, KS M 0016, 3 KS D 2022 KS M 0016 . 4 . a) 0.002 % ,
3、0.05 % . , . b) 0.000 5 % , 0.05 % . c) 0.001 % , 0.08 % . 5 5.1 . pH . KS D 2029:2012 2 5.2 a) (1: 1) b) c) (10 g/L) d) (3 ) 272 g 500 mL 240 mL 1 000 mL . e) (10 g/L) . 1) (1 ) 10 g (95 %) 1 000 mL (95 %) . 2) 1,10- (1 ) 10 g . 1 000 mL . f) (20 mg/L) ( 99.9 % ) 0.100 g (200 mL) (1: 1) 30 mL 1 mL
4、. . (1 000 mL) (100 mg/L) . 5 . 5.3 1 1 mg . 1 (1: 1) % g (1: 1) mL 0.002 0.01 1.00 15 0.01 0.05 0.50 7.5 5.4 5.4.1 a) (200 mL) 10 mL . b) 1 (1: 1) . 1 mL . c) .1)5.4.2 a) 5.4.1 c) (100 mL) 60 mL . b) 4 mL 5.2 d) 15 mL . 2 5.2 e) 30 . 1) (5 B) . 50 mL 50 mL . . KS D 2029:2012 3 2 % 5.2(e) mL 3 2 6 2
5、 12 5.4.3 5.4.2 b) (10 mm) 510 nm . 5.5 . 5.6 (100 mL) 5.2 f) 0 mL 25.0 mL( 0 g 500 g) 60 mL . 5.4.2 b) 5.4.3 . 5.7 5.4.3 5.5 5.6 . 100Fe21=mAA - Fe : ( %) A1: (g) A2: (g) m : (g) 6 6.1 4- -2- . (III) (II) . pH , . 6.2 KS D 2029:2012 4 a) (3: 1, 2: 1, 1: 1) b) c) (10 g/L) d) (3 ) 544 g 500 mL 1 000
6、mL . e) 5.2 e) . f) 4- -2- g) (20 mg/L) 5.2 f) (2: 1) 5 . 6.3 1.50 g 1 mg . 6.4 6.4.1 a) (300 mL) 10 mL . b) (3: 1) 20 mL . 1 mL 10 . c) (2: 1) .2)6.4.2 a) 6.4.1 c) (100 mL) (2: 1) (2: 1) 60 mL . b) 4- -2- 20 mL 1 . c) 15 mL 1 (100 mL) . 10 mL 1 . 6.4.3 a) 6.4.2 c) 2 mL 6.2 d) 5 mL (1: 1) pH 3.4 4.1
7、 6.2 e) 5 mL . b) (50 mL) 30 . 6.4.4 6.4.3 b) (10 mm) 510 nm . 2) (5 B) . 20 mL . . KS D 2029:2012 5 6.5 . a) (3: 1) 20 mL 1 mL (200 mL) 5 mL . b) (2: 1) . c) (2: 1) (2: 1) 60 mL . 6.4.2 b) 6.4.4 . 6.6 (2: 1) 40 mL (100 mL) 6.2 g) 0 mL 10.0 mL( 0 g 200 g) (2: 1) 60 mL . 6.4.2 b) 6.4.4 . 6.7 6.4.4 6.
8、5 6.6 . 100Fe21=mAA - Fe : ( %) A1: (g) A2: (g) m : (g) 7 7.1 pH . ( DADDC) ( APDC) . 7.2 a) (1: 1, 1: 4) b) c) d) ( ) e) (400 g/L) . f) DADDC 0.5 g KS D 2029:2012 6 100 mL . (5 A) . . . g) APDC 0.5 g 100 mL . (5 A) . . . h) i) (10 mg/L) 5.2 f) (100 mg/L) 10 . j) 0.1 g (95 %) 50 mL 100 mL . . 7.3 1.
9、00 g 1 mg . 7.4 7.4.1 . a) 0.001 % , 0.004 % 1) (300 mL) 10 mL . 2) (1: 1) 20 mL . 1 mL . 3) . b) 0.004 % , 0.08 % 1) a) 1) 3) . 2) (200 mL) . 3) 3 (200 mL) . 3 % mL 0.004 0.015 50.0 0.015 0.03 25.0 0.03 0.08 10.0 7.4.2 a) 7.4.1 a) 3) b) 3) 7.2 e) 20 mL 80 mL (1: 4) pH 5.6 6.0 .3)3) 7.2 j) ( pH 8) .
10、 pH (1: 4) pH 5.6 6.0 . KS D 2029:2012 7 b) (200 mL) 100 mL DADDC 7.2 f) 5 mL APDC 7.2 g) 5 mL . c) 20.0 mL 3 . ( ) ( ) ( ) 1 g (20 mL 30 mL) 4). 7.4.3 7.4.2 c) 248.3 nm . 7.5 . a) 7.4.1 a) 1) (1: 1) 20 mL 1 mL (200 mL) 5 mL . 2) 7.4.1 a) 3), 7.4.2 7.4.3 . b) 7.4.1 b) 1) a) 1) . 2) . 3) 7.4.1 b) 2)
11、7.4.3 . 7.6 (200 mL) 7.2 i) 0 mL 4.0 mL( 0 g 40 g) 7.2 e) 20 mL 80 mL (1: 4) pH 5.6 6.0 .3) 7.4.2 b) 7.4.3 . 7.7 . a) 7.4.1 a) 7.4.3 7.5 a) 2) 7.6 . 100Fe21=mAA - Fe : ( %) A1: (g) A2: (g) m : (g) 4) ( ) . KS D 2029:2012 8 b) 7.4.1 b) 7.4.3 7.5 b) 3) 7.6 . 100200Fe21=BmAA Fe : ( %) A1: (g) A2: (g) m
12、 : (g) B : 7.4.1 b) 3) (mL) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS D 2029:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Methods for determination of iron in magnesium and magnesium alloys ICS 77.120.20 ; 71.040.40 Korean Agency for Technology and Standards http:/www.kats.go.kr