KS D ISO 795-2012 Aluminium and aluminium alloys－Determination of copper content －Oxalyldihydrazide photometric method《铝和铝合金 铜含量的测定 草酰二肼光度法》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D ISO 795 KS D ISO 795:2012 2012 5 8 http:/www.kats.go.krKS D ISO 795:2012 : ( ) ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2002 1 14 ：2012 5 8 2012-0188 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D ISO 795:2012 i 1 1 2 1 3 1 4 .3 5 .3 6

2、.3 7 5 8 .6 A( ) 1 %( ) .7 KS D ISO 795:2012 ii 1976 1 ISO 795, Aluminium and aluminium alloys Determination of copper content Oxalyldihydrazide photometric method , . KS D ISO 795:2012 Aluminium and aluminium alloys Determination of copper content Oxalyldihydrazide photometric method 1 . 0.002 %( )

3、 0.8 %( ) . A 1 %( ) . 2 pH 9.1 pH 9.5 ( pH .), 540 nm 1)3 . 3.1 , 1.19 g/mL, 12 mol/L 3.2 , 40 %, 1.15 g/mL 3.3 , 1.23 g/mL, 7.4 mol/L 1.40 g/mL, 15 mol/L, 50 mL 100 mL . 3.4 , 1.48 g/mL, 8.75 mol/L 1.84 g/mL, 17.8 mol/L, 50 mL 100 mL . 1) . . KS D ISO 795:2012 2 3.5 , 36 %, 1.12 g/mL, 3.6 , 0.90 g

4、/mL, 14.4 mol/L 3.7 , 500 g/L (C6H8O7 H2O) 500 g 1 000 mL . 3.8 , 400 g/L 1 000 mL (CH3CHO) 400 g , 5 , ( 5 ) 1 000 mL . 15 . ( 21 ), . 3.9 , 2.5 g/L (C2H6N4O2) 2.5 g (40 50 ) 20 , 1 000 mL . . 3.10 , 1 L 1 g 3.10.1 ( 40 mL) 20 mL (3.3) 10 mL ( 99.95 % ) 1 g . . , . 1 000 mL 1 000 mL . 1 mL 1 mg . .

5、 3.10.2 (CuSO4 5H2O) 3.929 6 g 1 000 mL . 1 mL 1 mg . 3.11 , 1 L 0.05 g (3.10) 50.0 mL 1 000 mL 1 000 mL . 1 mL 0.05 mg . 3.12 , 1 L 0.005 g (3.11) 50.0 mL 500 mL 500 mL KS D ISO 795:2012 3 . 1 mL 5 g . . 4 4.1 ( 540 nm ) 5 5.1 2)5.2 (mill) 1 mm . 6 6.1 6.1.1 250 mL (3.1) 30 mL (3.5) 1 mL . 50 mL 5

6、, 200 mL , 200 mL . 6.1.2 pH ( 50 mL 100 mL) (6.1.1) 10 mL, (3.12) 10 mL (3.7) 2 mL . (3.8) 10 mL . (3.6) pH 9.3 (9.1 9.5 ) . pH ( 7 9 mL ). . 6.1.3 50 mL (6.1.1) 10 mL (3.12) 0( ) 2.0 4.0 6.0 8.0 10 mL (3.12) 6.0 8.0 10.0 mL . (3.7) 2 mL , 6.1.2 pH 2) . KS D ISO 795:2012 4 (3.6) (3.8) 10 mL . 20 ,

7、(3.9) 10 mL . 50 mL . 30 , 0 ( 510 nm) . , 50 mL , . 6.2 1 0.001 g . 6.3 6.3.1 , , 1 . 1 % g mL mL g 0.002 0.02 2 100 10.0 4 40 0.02 0.08 1 200 10.0 10 40 0.08 0.2 1 500 10.0 16 40 0.2 0.4 1 500 5.0 20 40 0.4 0.8 0.5 500 5.0 20 40 ( 250 mL) . 20 mL (3.1) 30 mL . . (3.5) 1 mL 3). . 50 mL . ( 1 “ ” ).

8、 . . 3) 1 %( ) A . KS D ISO 795:2012 5 6.3.2 pH 1 ( 50 mL 100 mL) 10 mL . 2 g (3.7) 3 mL , 1 g 0.5 g 2 mL . (3.8) 10 mL . (3.6) pH 9.3 (9.1 9.5 ) . pH ( 7 9 mL ). . 6.3.3 50 mL pH . 2 g (3.7) 3 mL , 1 g 0.5 g 2 mL . (6.3.2 ) (3.6) (3.8) 10 mL (3.9) 10 mL . 20 . 50 mL . 6.3.4 ( 250 mL) (3.1) 30 mL (3

9、.5) 1 mL . . . 6.3.2 pH . 6.3.3 . 6.3.5 30 , 0 ( 540 nm) . 7 (6.1.3) mg . . 0110mDm KS D ISO 795:2012 6 m0 ： (g) m1 ： (mg) D ： 8 . a) b) c) d) KS D ISO 795:2012 7 A ( ) 1 %( ) A.1 . . A.2 6.3.1 “. 3).” . 70 mL 80 mL . ( ). 110 120 . ( ) 600 . 5 mL (3.2) (3.4) 1 mL (3.3) . , mL (3.1) . . . 50 mL . 6.

10、3.1 . 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS D ISO 795:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Aluminium and aluminium alloys Determination of copper content Oxalyldihydrazide photometric method ICS 77.120.10