1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D ISO 796 KS D ISO 796:2012 2012 5 8 http:/www.kats.go.krKS D ISO 796:2012 : ( ) ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2002 12 27 :2012 5 8 2012-0188 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D ISO 796:2012 i ii 1 1 2 1 3 1 4 .2 5 .
2、3 6 3 7 .4 8 .4 A 6 B .7 KS D ISO 796:2012 ii 1973 1 ISO 796, Aluminium alloys Determination of copper Electrolytic method , . KS D ISO 796:2012 Aluminium alloys Determination of copper Electrolytic method 1 . 0.50 %( ) . A, B . a) ( A ) b) ( B ) 2 . . . 3 3.1 , 0.816 g/mL, 95 % 3.2 (NH2SO3H) 3.3 ,
3、1.49 g/mL, 48 % 3.4 ( 1.1 g/mL, 6 mol/L), ( 1.19 g/mL, 12 mol/L) 500 mL 1 000 mL . 3.5 , 1.14 g/mL, 40 % 3.6 , 1.40 g/mL, 15 mol/L 3.7 ( 1.23 g/mL, 7.4 mol/L), (3.6) 500 mL 1 000 mL . 3.8 1.67 g/mL, 11.7 mol/L KS D ISO 796:2012 2 ( 1.54 g/mL, 9 mol/L) . ( 1.67 g/mL) ( 1.54 g/mL) 1 270 mL . 3.9 , 1.3
4、3 g/mL, 5.8 mol/L (3.8) 500 mL 1 000 mL . 3.10 , 1.33 g/mL, 5.85 mol/L ( 1.84 g/mL) 35 mL 100 mL . 3.11 , 300 g/L (C4H6O6) 300 g 1 000 mL . 3.12 ( 0.95 g/mL 7 mol/L) ( 0.90 g/mL, 14.4 mol/L) 500 mL 1 000 mL . 3.13 , 3.14 1.20 g/mL( 24 mol/L) 20 mL 0.90 g/mL( 14.4 mol/L) 3 mL (HCOOH) 20 mL 50 mL 3 mL
5、 100 mL . 3.15 , (3.14) 25 mL 1 000 mL 50 60 . . 3.16 , 0.10 g 95 %(3.1) 100 mL . 4 4.1 4.2 ( ) 4.3 (platinum-iridium wiregauze cathode Winkler electrode) 4.4 ( , ) 100 mL . KS D ISO 796:2012 3 5 5.1 5.2 1 mm . 6 6.1 1 0.001 g . 6.2 6.2.1 1 . ( ) (3.9) (3.6) . . . (3.4) . 15 20 . 200 400 mL . 5 . 1
6、% g 5.8 mol/L (3.9) mL 15 mol/L (3.6) mL 0.50 2 2 5 5 5 2 1 180 75 40 5 5 5 6.2.2 (40 60 ) (5B) . , , ( 400 1 000 mL ) . . KS D ISO 796:2012 4 6.2.3 110 120 500 600 . ( ). (3.10) 1 mL, (3.5) 2 5 mL (3.7) . (3.9) 1 mL . . 6.2.4 (200 300) mL (3.7) (6 10) mL, (3.2) 1 g . . (0.5 1) A/dm2 . 800900 . (3.1
7、) ( 10 ) ( 100110 ) . 1 cm . (3.2) 1 g 15 30 . , . . . (3.1) . (100 110 ) ( 10 ) . . . 6.2.4 800900 . 7 % . Cu %( ) 100012mmm m0: (g) m1: (g) m2: (g) 8 KS D ISO 796:2012 5 . a) b) c) d) KS D ISO 796:2012 6 A A.1 . A.2 6. 1 2 . 6.2.1 . , , 2 . ( ) (3.9) . (3.3) (3.13) . , . . 5 . 20 . 200 400 mL . 5
8、. 2 5.8 mol/L (3.9) 48 % (3.3) (3.13) % % g mL mL mL 6 5 250 30 20 0.50 2 6 20 5 250 70 20 6 2 110 15 10 2 5 6 20 2 110 30 10 6 1 70 10 10 5 6 20 1 70 20 10 KS D ISO 796:2012 7 B B.1 II . . (Oxychloride) . . . 8.2 6.2.3 . 6.2.3.1 II 200 mL 500 mL . 1 g (3.11) 25 mL (3.16) (3.12) . (3.14) 25 mL 200 2
9、50 mL . . ( 15 30 ) , ( 100 120 ). 4050 ( 30 40 ) (5B) (3.15) 6 8 . 6.2.3.2 (3.7) 30 40 mL . . . (3.8) 10 mL . 6.2.3.3 20 mL (3.16) 2 3 , (3.12) . (45 %), . , (3.12) . (3.4) cuprammonium complex KS D ISO 796:2012 8 . (3.4) 2 mL ( pH 0.7) 300 mL ( pH 1.31.6). (3.4) 2 mL ( pH 0.7) 300 mL ( pH 1.3 1.6)
10、, ( 4 ) (60 70 ). ( , 3 15 m). 20 25 mL 4 5 ( 500 mL) . 6.2.4 (3.8) 10 mL . 10 . 200 mL . . (3.7) 6 10 mL (6.2.4 ). 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS D ISO 796:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Aluminium alloysDetermination of copperElectrolytic method ICS 77.120.10