1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D ISO 7528 KS D ISO 7528:2012 2012 7 27 http:/www.kats.go.krKS D ISO 7528:2012 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :2002 12 9 :2012 7 27 2012-0337 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D ISO 7528:2012 i ii 1 1 2 1 3 1 4 2 5
2、 .3 6 .3 7 4 7.1 .4 7.2 5 7.3 5 7.4 5 8 .5 8.1 5 8.2 .6 9 .6 A( ) 8 KS D ISO 7528:2012 ii 1989 1 ISO 7528, Nickel alloys Determination of iron contentTitrimetric method with potassium dichromate , . KS D ISO 7528:2012 Nickel alloys Determination of iron content Titrimetric method with potassium dich
3、romate 1 150 % . 0.2 % . A . 2 . . ( ) . KS A ISO 5725 1, ( ) 1: KS A ISO 5725 2, ( ) 2: KS A ISO 5725 3, ( ) 3: KS A ISO 5725 4, ( ) 4: KS A ISO 5725 5, ( ) 5: KS A ISO 5725 6, ( ) 6: KS L ISO 385 1, 1: KS L ISO 648, KS L ISO 1042, 3 / (VI) . . KS D ISO 7528:2012 2 . (II) (III) , (II) . , (diphenyl
4、amine sulfonate) (II) . 4 . 4.1 (ammonium hydroxide), 20 0.89 g/mL 4.2 (1 2), 20 0.89 g/mL 4.3 , 20 1.18 g/mL 4.4 (1 1), 20 1.18 g/mL 4.5 (1 50), 20 1.18 g/mL 4.6 (HClO4), 20 1.66 g/mL 4.7 , 1 L (20 0.89 g/mL) 20 mL . . 4.8 (II) 10 mL (20 1.18 g/mL) (II) 2 (SnCl2 2H2O) 5 g . 100 mL . . (sponge) . 4.
5、9 (II) (II) . . 400 mL 60 100 g . . 4.10 . ( ) . . . KS D ISO 7528:2012 3 (20 1.18 g/mL) 75 mL (20 1.41 g/mL) 25 mL . . 4.11 (20 1.84 g/mL) 150 mL 500 mL . (20 1.83 g/mL) 150 mL . 1 L . 4.12 (potassium dichromate) 0.035 mol/L 105 1 99.95 % (K2Cr2O7) 1.716 1 g 500 mL . 1 L , . 4.13 (sodium diphenylam
6、ine sulfonate) (C6H5 NHC6H4SO3Na) 0.20 g 100 mL . 5 . 5.1 KS L ISO 385 1 A 0.1 mL 50 mL 5.2 KS L ISO 648 A . 5.3 KS L ISO 1042 A . 6 6.1 , . 6.2 , , (milling) (drilling) , . 6.3 (grease) (acetone) . 6.4 (riffling) . KS D ISO 7528:2012 4 7 . . 7.1 7.1.1 1 1060 mg 400 mL 600 mL . 1 % g g 15 510 10 25
7、25 50 1.0 1.2 0.5 0.6 0.20 0.21 0.10 0.11 0.002 0.001 0.000 5 0.000 2 7.1.2 (4.10) 25 mL , . (4.3) 1 mL , . 30 mL 2 mL . 10 % 1 g . 250 mL , 1025 % 50 mL , 2550 % 25 mL 7.1.3 . 7.1.3 (4.6) 15 mL . , 1 . 200 mL , (4.3) 10 mL . 7.1.4 , (4.1) . 25 mL . (III) 23 . 5 mL , 15 cm . (4.7) . 7.1.5 . (1 1)(4.
8、4) 25 mL . (1 50)(4.5) . (1 1) . . 7.1.6 200 mL , (1 2) . 25 mL , 23 . 7.1.7 (1 2) 5 mL 15 cm . (4.7) . KS D ISO 7528:2012 5 7.1.8 , (1 1)(4.4) 25 mL . (1 50)(4.5) . (1 1) . . 7.1.9 30 mL . , (III) (4.8) , 12 . 200 mL . (II) (III) (1 1) 30 mL . 7.2 7.2.1 7.1.9 (II) (4.9) 10 mL , 5 . 2 . . 7.2.2 (4.1
9、1) 10 mL (4.13) 23 . 7.2.3 (4.12) . 1 . . 7.3 . (III) . , 0.02 mol/L (II) 1 , . 7.4 2 . 8 8.1 (%) . 10085055.0)(01mcVV V0: (4.12) (mL) V1: (4.12) (mL) c : (4.12) , 1/6 mol/L KS D ISO 7528:2012 6 0.055 85: 1.00 mL (g) m : (g) 8.2 8.2.1 6 14 . , 9 . 5 2 2 . 2 ( %) Al Co Cr Cu Fe Mn Ni Si Ti 825 902 3 920 3 927 7 049 0.2 0.4 0.15 0.1 1 0.07 0.05 2 1 0.01 21 5 19 20 15 1.6 0.04 0.1 0.05 0.15 30 48 3 44 7 0.7 0.4 0.3 0.4 0.8 0.4 0.35 0.6 0.8 0.3 1.1 2.5 2.3 0.6 2.3 8.2.2 8.2.2.1 KS A ISO 5725 . KS A ISO 5725 (Cochran 77.120.40
copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1