1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D ISO 629 KS D ISO 629: 2008 2008 6 13 http:/www.kats.go.krKS D ISO 629: 2008 : () ( ) () ( ) : (http:/www.standard.go.kr) : :2003 12 29 :2008 6 13 2008-0276 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D ISO 629: 2008 Steel and cast iron Determ
2、ination of manganese contentSpectrophotometric method 1982 1 ISO 629, Steel and cast iron Determination of manganese content Spectrophotometric method , . 1 . 0.001 4 %(m/m) . 2 . . ISO 377 2, Selection and preparation of samples and test pieces of wrought steels Part 2: Samples and test pieces inte
3、nded for the determination of the chemical composition 3 . . 545 nm . 4 , . . , . KS D ISO 629: 2008 2 4.1 . (10 ml/L)( 1.83 g/mL) (NalO4) 10 . 4.2 . 4.3 1.19 g/mL 4.4 1.40 g/mL 4.5 1.67 g/mL 1.54 g/mL . 1.54 g/mL 127 mL 1.67 g/mL 100 mL . 4.6 1 499 4.7 / 600 mL 1.83 g/mL 100 mL, 1.71 g/mL 150 mL .
4、1 000 mL . 4.8 50 g/L 4.9 4.9.1 0.001 g 2.877 g 500 mL 1.83 g/mL 10 mL . 30 %(m/m) . . (1 000 mL) . 1 mL 1.00 mg . KS D ISO 629: 2008 3 4.9.2 A (4.9.1) 100 mL (1 000 mL) . 1 mL 0.1 mg . 4.9.3 B A(4.9.2) 250 mL (1 000 mL) . 1 mL 0.025 mg . 5 5.1 6 ISO 377 2 . 7 , . 7.1 0.001 g , (m) . a) 0.05 %(m/m)
5、: m 2 g b) 0.05 2 %(m/m) : m 1 g c) 2 %(m/m) : m 0.5 g 7.2 7.2.1 (7.1) (250 mL) / (4.7) 50 mL . (4.4) (4.5) 20 mL . 10 . 7080 mL . (4.6) . (100 mL) , . S1 . / (4.7) (4.3) 10 mL (4.4) 10 mL . KS D ISO 629: 2008 4 7.2.2 1 S1 (250 mL) . . (4.8) 10 mL 2 90 10 . (100 mL) (4.1) . 7.2.3 ( ) (7.2.2) S1, / (
6、4.7) . (4.3) 2 3 . (100 mL) . 7.2.4 (7.2.3) (5.1) 545 nm (7.2.2) . 7.2.5 7.2.5.1 7.2.5.1.1 0.05 %(m/m) 0.001 g (4.2) 2.000 g . 6 (250 mL) / (4.7) 50 mL . (4.4) (4.5) 20 mL . 10 . 70 80 mL . (4.6) . (100 mL) . . S2 . 6 (250 mL) B(4.9.3) 2 . 25 mL S240.0 mL / (4.7) 5 mL . 7.2.2 . 7.2.5.1.2 0.054 %(m/m
7、) 0.001 g (4.2) 1 g . (250 mL) / (4.7) 50 mL . (4.4) (4.5) 20 mL . 10 . KS D ISO 629: 2008 5 70 80 mL . (4.6) . (100 mL) . . S3 . 6 (250 mL) A(4.9.2) 3 . 25 mL S310 mL / (4.7) 20 mL . 7.2.2 . 7.2.5.2 “0” 545 nm (7.2.5.1.1 7.2.5.1.2) . 7.2.5.3 100 mL (mg ) . (a) . 100 mL (mg) 1 cm . 1 Mn S1 Mn / ( 4.
8、7) %(m/m) g mL g mL mL 0.05 2 40.0 0.80 10 5 0.05 0.50 1 40.0 0.40 10 5 0.10 1.00 1 20.0 0.20 20 15 0.20 2.00 1 10.0 0.10 25 20 0.40 4.00 0.5 10.0 0.05 25 20 2 Mn 0.05 %(m/m) 1 2 3 4 5 6 0 2.0 5.0 10.0 15.0 20.0 B(4.9.3) Mn 0 0.050 0.125 0.250 0.375 0.500 Mn mg 2 g 40 mL 0 0.006 0.016 0.031 0.047 0.
9、063 Mn %(m/m) KS D ISO 629: 2008 6 3 Mn 0.05 4 %(m/m) 1 2 3 4 5 6 0 2.0 5.0 10.0 15.0 20.0 A(4.9.2) Mn 0 0.20 0.50 1.00 1.50 2.00Mn mg 1 g 40 mL 20 mL 10 mL 0 0 0 0.0500.1000.2000.1250.2500.5000.2500.5001.0000.3750.7501.5000.500 1.000 2.000 0.5 g 10 mL 0 0.400 1.000 2.000 3.000 4.000 Mn %(m/m) 8 (Mn
10、) . Mn %(m/m)mVdDamVdDa=1010010111003 (mg) / (g)10 a:/cmabsorbancemL100Mn/mg D : (7.2.5.3) d : (7.2.4 7.2.5.2) (cm) V : (7.2.2)(mL) m : (7.1) (g) 9 . a) b) c) d) 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS D ISO 629: 2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Steel and cast ironDetermination of managanese content Spectrophotometric method ICS 77.080.01