1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2001 12 31 KS D ISO 809 ( 0.01 0.8 %) KS D ISO 809: 2001 (2006 ) (ISO 809: 1973, IDT) ICS 77.120.20 KS ( 0.010.8 %) D ISO 809: 2001(2006 )(ISO 809: 1973, IDT)Magnesium and magnesium alloysDetermination of manganese Periodate photometric method(manganese con
2、tent between 0.01 and 0.8 %) 1973 ISO 809, Magnesium and magnesium alloys Determination of manganesePeriodate photometric method(Manganese content between 0.01 and 0.8 %) , . 1. (1). 0.01 0.8 %(m/m) (2). (1) ISO 2353, Magnesium and its alloys Determination of manganese in magnesium alloys containing
3、 zirconium, rare earths, thorium and silver Periodate photometric method . (2) 0.01 % ISO 810, Magnesium and magnesium alloys Determination of manganese Periodate photometric method(Manganese content less than 0.01 %) 2. , (II) (VII) . 525 nm . 3. , . 3.1 (KIO4) 3.2 20 1.26 g/mL (20 1.84 g/mL) 25 mL
4、 60 mL . , 100 mL . 3.3 20 1.40 g/mL, 68 %(m/m), 15 mol/L . . 3.4 20 1.71 g/mL 3.5 , 40 %(m/m) 20 1.14 g/mL 3.6 1 L 10 mL (3.2) , (3.1) , 10 . 3.7 (20 g/L) (NaNO2) 2 g 100 mL . 3.8 1 g/L(1 mg Mn/mL) . D ISO 809:2001 2 3.8.1 ( , 400 mL) (KMnO4) 2.877 g 200 mL (3.2) 40 mL . 36 %(m/m) . SO2 H2O2 , 1 00
5、0 mL . 3.8.2 ( , 600 mL) ( 99.9 % ) 10.001 g 40 mL 80 mL . , 1 000 mL . 250 300 mL (3.2) 60 80 mL 100 mL , 2 , 100 2 , . 3.9 0.1 g/L(1 mL Mn 0.1 mg ) (3.8) 100.0 mL 1 000 mL , , . 4. 4.1 4.2 (photoelectric absorptiometer) 5. 5.1 (3) 5.2 1 mm . (3) . 6. 6.1 a) 0.01 0.05 %(m/m) , (5.2) 1 g 1 mg . b) 0
6、.05 0.8 %(m/m) , (5.2) 0.5 g 1 mg . 6.2 6.2.1 (3.3) 20 mL . (250 mL) . 40 mL , (3.2) 15 mL, (3.3) 5 mL, (3.4) 5 mL . 6.1.3 . 6.2.2 (matching) ( 250 mL) 6 (3.9) 1.0, 2.0, 5.0, 10.0, 15.0 20.0 mL . 0.1, 0.2, 0.5, 1.0, 1.5 2.0 mg . 40 mL , (3.2) 15 mL, (3.3) 25 mL (3.4) 5 mL . 6.2.3 , (3.1) 0.5 g , 3 1
7、5 ( 98 ) . , 100 mL (3.6) . 6.2.4 (4.2) (4.3) (Ec) 0 , ( 525 nm) . D ISO 809:2001 3 (3.7) 2 (Ed). . (Ec Ed) (Tc Td) Tc, Td: term 0 . 6.2.5 (100 mL) (mg) , . 6.3 6.3.1 6.3.1.1 0.01 0.05 % (6.1) ( , 250 mL) , 10 mL (3.2) 25 mL . (3.3) 25 mL (3.5) 2 3 . . 6.3.1.2 0.05 0.4 % (6.1) (250 mL) , , 10 mL (3.
8、2) 25 mL . , (3.3) 25 mL (3.4) 2 3 , . 6.3.1.3 0.40 0.2 % (6.1) ( , 250 mL) , , 10 mL (3.2) 10 mL . (3.3) 5 mL (3.5) 2 3 . . 100 mL , , . 20 mL( 0.1 g ) ( , 250 mL) (3.2) 15 mL 25 mL . 6.3.2 6.3.1.1, 6.3.1.2 6.3.1.3 60 mL (3.4) 5 mL . 6.2.3 . 6.3.3 . 6.3.3.1 0.01 0.05 % (3.3) 25 mL (3.2) 5 mL , . ,
9、(250 mL) . 40 mL , (3.2) 20 mL, (3.4) 5 mL 2 3 . 6.2.3 . 6.3.3.2 0.05 0.4 % (3.3) 25 mL , . 6.3.3.1 . 6.3.3.3 0.4 0.8 % (3.3) 25 mL , . , (250 mL) . 40 mL , (3.2) 16 mL, (3.3) 3 mL, 5 mL, 2 3 . 6.2.3 . 6.3.4 6.2.4 . (Ec) 0 . (3.7) 2 (Ed) . . , . . (Ec Ed) (Bc Bd) Bc, Bd: . D ISO 809:2001 4 7. (6.2.5
10、) (mg) . (Mn) . Mn %(m/m)0110mRm m0: (g) m1: (mg) R: 8. . a) b) c) d) : : 2001 12 31 : 2006 10 2 2006-0451 : : ( ) ( 02 509 72757) . 7 5 , . 701-7 6009-4567, 6009-48878 http:/ KS D ISO 809: 2001 (ISO 809: 1973, IDT) Magnesium and magnesium alloysDetermination of manganesePeriodate photometric method (manganese content between 0.01 and 0.8 %) ICS 77.120.20 : : 2006 10 2 : 2001 12 31 2006-0451 : : ( ) KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKS
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