KS D ISO 10138-2002 Steel and iron-Determination of chromium content-Flame atomic absorption spectrometric method《钢铁 铬含量测量 火焰原子吸收光谱法》.pdf

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1、KS D ISO 10138 KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS D ISO 10138 : 2002 (2007 ) 2002 11 30 http:/www.kats.go.kr : ( ) ( ) () : (http:/www.standard.go.kr) : : 2002 11 30 : 2007 8 24 2007-0524 : ( 02-509-72747) (http:/www.kats.go.kr) . 7 5 , . ICS 77.080.01 KS D ISO 10138: 2002(2007 ) Steel and

2、iron Determination of chromium content Flame atomic absorption spectrometric method 1991 1 ISO 10138 Steel and iron Determination of chromium content Flame atomic absorption spectrometric method . 1. . 0.002 2.0 %(m/m) . 2. . . ISO 377 2 Selection and preparation of samples and test pieces of wrough

3、t steels Part 2: Samples for the determination of the chemical composition ISO 385 1 Laboratory glassware Burettes Part 1: General requirements ISO 648 Laboratory glassware One mark pipettes ISO 1042 Laboratory glassware One mark volumetric flasks ISO 3696 Water for analytical laboratory use Specifi

4、cation and test methods ISO 5725 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter laboratory tests(KS A ISO 5725 ) 3. . . . . . . 357.9 nm 425.4 nm . 4. ISO 3696 2 . 4.1 0.000 2 %(m/m) . 4.2 (KHSO4) 4.3 ( 1.19 g/mL) 4.4 ( 1.40 g/mL) 4.5

5、 ( 1.15 g/mL) 4.6 ( 1.84 g/mL) 4.7 ( 1.84 g/mL) 1 3 . D ISO 10138: 2002 2 4.8 1 L (4.1) 10.00 g 0.01 g . (4.2) 10 g (4.3) 150 mL . (4.4) 30 mL . 250 mL . . 25 mL Fe 1.000 g . 4.9 4.9.1 (1.0 g Cr/L) 99.9 %(m/m) Cr 1.000 g 0.001 g . 250 mL (4.3) 40 mL . . 1 000 mL . . 1 mL Cr 1.0 mg . 4.9.2 A(400 mg C

6、r/L) 250 mL (4.9.1) 100.0 mL . . . 1 mL Cr 400 g . 4.9.3 B(100 mg Cr/L) 100 mL (4.9.1) 10.0 mL . . . 1 mL Cr 100 g . 5. ISO 385 1, ISO 648 ISO 1042 A . . 5.1 30 mL . 5.2 . , , . 7.3.4 5.2.1 5.2.3 . 5.2.4 . 5.2.1 (A.1 ) 10 . 1.5 % . (0 ) 10 . 0.5 % . 5.2.2 (A.2 ) 0 10 2 . 357.9 nm 0.05 g Cr/mL , 425.

7、4 nm 0.15 g Cr/mL . 5.2.3 (A.3 ) ( .) 20 % ( .) 20 % 0.7 . 2 , . 5.2.4 (A.4 ) 357.9 nm 0.2 g Cr/mL 425.4 nm 0.5 g Cr/mL . 5.3 5.2.1 5.2.3 D ISO 10138: 2002 3 . 0.1 . , , . 6. ISO 377 . 7. 7.1 1.000 g 0.001 g . 7.2 (4.1) . 7.3 7.3.1 7.3.1.1 250 mL (7.1) . (4.3) 15 mL . . (4.4) 3 mL 1 1 . 15 mL . (5A)

8、 250 mL . . . 7.3.1.2 (5.1) . 800 15 . (4.7) 2 (4.5) 2 mL . 800 . (4.2) 1 g . , . (4.6) 2 . 10 mL (4.3) 2 mL 250 mL . . (7.3.1.1 ). 7.3.1.3 (7.3.1.2 ) . a) 0.1 %(m/m) , 100 mL b) 0.1 2.0 %(m/m) , 500 mL 7.3.2 . a) 0.1 %(m/m) , 7 100 mL (4.8) 25.0 mL . 1 B(4.9.3) . . D ISO 10138: 2002 4 1 B(4.9.3) mL

9、 mg 0(1) 1.0 2.0 4.0 6.0 8.0 10.0 0 0.1 0.2 0.4 0.6 0.8 1.0 (1) 0 b) 0.1 0.5 %(m/m) , 7 100 mL (4.8) 5.0 mL . 1 B(4.9.3) . . c) 0.5 2.0 %(m/m) , 7 100 mL (4.8) 5.0 mL . 2 A(4.9.2) . . 2 A(4.9.2) mL mg 0(1) 1.0 2.0 4.0 6.0 8.0 10.0 0 0.4 0.8 1.6 2.4 3.2 4.0 (1) 0 7.3.3 3 3 0.5 %(m/m) : 357.9 nm 0.5 %

10、m/m) : 425.4 nm . . , . a) b) . c) D ISO 10138: 2002 5 . d) . e) , . , . 357.9 nm: 0.2 1.0 nm 425.4 nm: 0.2 1.0 nm 7.3.4 . , , . 0 . 5.2.1 5.2.3 ( ) . 1 cm . 0 ( , ) . . 5.2.1 5.2.3 5.2.4 . 7.3.5 . 5.2.1 2 . . . . 2 . 2 “ ” 1 , . 1 . . . . 7.4 . 0 , 0 . 0 ( Cr, z) . z1cz1cCr,zCr,AAA Cr, c1: (g/mL)

11、Az: 0 Ac1: Cr, z . (g/mL) . . D ISO 10138: 2002 6 . 8. 8.1 (7.4) g Cr/mL . wCr(%, m/m) . mVw10010100100)(60Cr,1Cr,Cr mV40Cr,1Cr,10)( Cr, 0: (7.2) (g/mL) Cr, 1: (7.4) (g/mL) V: (7.3.1.3) (mL) m: (g) 8.2 19 8 . 3 ( 1. 2. ). B . ISO 5725 . 4 ( 3. ) (r ) (R Rw) . C . 4 %(m/m) r R Rw0.002 0.005 0.01 0.02

12、 0.05 0.1 0.2 0.5 1.0 2.0 0.000 30 0.000 53 0.000 83 0.001 30 0.002 35 0.003 66 0.005 72 0.010 3 0.016 1 0.025 1 0.000 74 0.001 31 0.002 03 0.003 15 0.005 62 0.008 70 0.013 5 0.024 0 0.037 2 0.057 6 0.000 44 0.000 81 0.001 28 0.002 03 0.003 75 0.005 96 0.009 47 0.017 5 0.027 8 0.044 1 1. 3 2 ISO 572

13、5 , , , , . 2. 1. ( ) . 3. 1 (r ) (R) ISO 5725 . 1 2 (Rw) . D ISO 10138: 2002 7 9. . a) , b) c) d) e) D ISO 10138: 2002 8 A() . A.1 10 AAi 10 . 10 ABi (0 ) 10 . sA sB . 9)(2AAAAAsi 9)(2BBBAAsi sA100 / sB100 / . A.2 ( Cr,min) 2 . 0.01 A Crg/mL A0 Cr 10 10 . . . sA . 9)(2AAsiA Ai: A : Ai Cr, min . 0Cr

14、minCr,AAksA (k 2 .) A.3 . 20 % AA 20 % AB . AA/ AB . 0.7 ( A.1 ). AABAAA AAA0AD ISO 10138: 2002 9 A.1 A.4 ( Cr,k) , . 0.1 A Crg/mL Cr A A0 . ( Cr,k) . 0CrkCr,4004.0AA 20 % 20 % D ISO 10138: 2002 10 B() 4 19 7 5 3 1987 . 1988 2 17/1 N 738 . C . B.1 . B.1 %(m/m) nm ECRM 097 1( ) NBS 365( ) JSS 102 4(

15、) BCS 408( ) JSS 151 9( ) JSS 150 8( ) 0.001 6 0.007 2 0.030 0.09 0.13 0.30 0.001 56 0.007 48 0.029 8 0.095 0 0.132 0.311 0.001 60 0.007 46 0.029 9 0.095 0 0.132 0.312 357.9 JSS 504 5( ) JSS 154 9( ) 0.73 1.98 0.741 1.975 0.743 1.973 425.4 : 1 : 1Cr,w2Cr,w1Cr,w2Cr,wD ISO 10138: 2002 11 C() lg r 0.64

16、2 78 lg wCr 1.793 4 lg Rw 0.667 99 lg wCr 1.556 6 lg R 0.631 08 lg wCr 1.429 6 C.1 ( wCr) ( r ) ( R Rw) (%) % (m/m) 135513 7017 (02)60094567 (02)600948878 http:/ KS D ISO 10138: 2002KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Steel and ironDetermination of chromium contentFlame atomic absorption spectrometric method ICS 77.080.01 Korean Agency for Technology and Standards http:/www.kats.go.kr

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