KS D ISO 7242-2006 Chemical analysis of light metals and their alloys-Statistical interpretation of inter-laboratory trials《轻金属和铝合金的化学分析 实验室间的试验结果的统计分析》.pdf

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KS D ISO 7242-2006 Chemical analysis of light metals and their alloys-Statistical interpretation of inter-laboratory trials《轻金属和铝合金的化学分析 实验室间的试验结果的统计分析》.pdf_第1页
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1、 KSKSKSKS KS D ISO 7242SKSKSKS KSKSKS SKSKS KSKS SKS KS KS D ISO 7242: 2006 2006 1 18 D ISO 7242: 2006 ( ) ( ) ( ) : : 2006 1 18 2006 0011 : : ( ) ( 02 509 7292 5) . 7 5 , . ICS 77.120.01 KS D ISO 7242: 2006Chemical analysis of light metals and their alloys Statistical interpretation of inter-labora

2、tory trials 1981 1 ISO 7242 Chemical analysis of light metals and their alloysStatistical interpretation of inter-laboratory trials . 1. . 20 10 . 2. nx : n nS: n nxS : n : Sn/ nnnxS / : , , . 3. : , A B . , . 1 2 . 3 . . . 4 3 . 2 D ISO 7242:2006 1 A ( ) IT IT IT IT IT GB GB GB GB ES ES ES HU US US

3、 US US DE DEISO n A B C D E B E F N A B C A B C D A BCr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % 10 0 151 153 153 151 153 151 153 154 151 151 157 161 158 159 158 159 163 162 158 159 161 153 161 158 158 170 170 170 168 169 156 154 156 157 155 158 160

4、 159 160 160 142 142 156 154 156 140 150 150 160 150 150 150 16(0)17(0)17(0)16(0)16(0)16(0)156 156 159 159 158 17(0)15(0)14(0) 134 137 137 131 131 130 130 138 132 136 13 0 340338 340 336 337 344 342 346 344 346 347 350 341 352 345 360 362 362 359 363 371 357 359 364 357 36(0)36(0)36(0)37(0)36(0) 348

5、 348 349 349 350 362 358 353 360 365 336 340 334 340 352 330 340 350 340 350 345 350 35(0)36(0)36(0)37(0)35(0)36(0) 325 315 338 339 337 324 327 337 318 322 15 0.0 161165 163 165 161 160 163 163 163 161 142 138 138 140 142 170 173 171 168 174 179 179 171 176 181 20(0)18(0)19(0)19(0)19(0) 170 172 174

6、176 178 18(0)19(0)18(0)16(0)17(0) 169 166 169 166 171 145 145 15(0)16(0)15(0) 14(0) 14(0) 140 145 145 140 150 15(0)14(0)15(0)15(0)14(0)16(0)16(0)16(0)16(0)16(0)17(0)17(0)16(0)16(0)14(0)12(0)15(0)15(0)17(0)16(0)16(0)16(0) 167 168 155 164 158 171 158 158 167 165 25 0.0 31 30 30 31 31 31 31 31 32 33 31

7、 31 30 30 30 30 31 31 31 32 36 36 35 36 34 32 34 30 33 28 42 38 45 40 36 29 29 30 30 32 30 30 31 31 32 33 33 33 33 33 28 31 30 32 29 34 34 35 34 33 34 4(0) 4(0) 4(0) 3(0) 27 25 27 27 30 2 B ( ) IT IT IT ES US US DE GB GB GB GB HU DE ESISO n A B C A B F M B E Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % C

8、r % Cr % Cr % Cr % Cr % Cr % 10 0.154 0.155 0.155 0.155 0.156 0.172 0.172 0.171 0.172 0.158 0.157 0.160 0.157 0.158 0.163 0.161 0.162 0.165 0.164 0.163 0.163 0.164 0.163 0.163 0.162 0.163 0.161 0.160 0.163 0.160 0.158 0.158 0.161 0.160 0.156 0.158 0.158 0.161 0.158 0.170 0.170 0.170 0.170 0.170 0.16

9、5 0.168 0.166 0.161 0.160 0.162 0.165 0.167 0.167 0.167 13 0.3490.348 0.346 0.353 0.353 0.364 0.363 0.363 0.361 0.360 0.360 0.364 0.370 0.370 0.350 0.340 0.340 0.350 0.357 0.363 0.361 0.364 0.366 0.362 0.359 0.360 0.359 0.360 0.360 0.358 0.352 0.363 0.362 0.370 0.350 0.350 0.360 0.360 0.368 0.367 0.

10、367 0.370 0.370 0.340 0.340 0.370 0.365 0.370 0.365 0.365 0.365 0.370 0.372 15 0.017 40.017 3 0.017 0 0.017 1 0.017 4 0.017 7 0.017 6 0.017 5 0.017 3 0.015 5 0.016 5 0.017 0 0.017 5 0.017 5 0.016 0 0.016 0 0.015 5 0.017 8 0.018 2 0.017 8 0.018 5 0.017 4 0.017 0 0.017 0 0.016 3 0.017 1 0.016 8 0.017

11、3 0.016 8 0.017 0 0.017 4 0.017 0 0.018 0 0.018 3 0.018 0 0.018 3 0.018 0 0.017 0 0.017 0 0.017 0 0.017 0 0.017 0 0.018 0 0.018 0 0.018 0 0.018 0 0.018 0 0.017 3 0.017 3 0.017 3 0.018 0 0.017 8 0.017 0 0.017 5 0.018 0 0.018 0 0.018 2 25 0.003 10.003 1 0.003 1 0.003 1 0.003 1 0.002 8 0.002 8 0.002 6

12、0.002 9 0.003 5 0.003 5 0.003 0 0.003 5 0.003 5 0.003 1 0.003 1 0.003 1 0.003 1 0.003 2 0.003 0 0.003 5 0.003 2 0.003 7 0.002 9 0.002 8 0.002 8 0.002 7 0.002 8 0.003 3 0.003 5 0.003 3 0.003 4 0.003 2 0.003 0 0.003 0 0.003 0 0.003 0 0.003 0 0.003 4 0.003 4 0.003 3 0.003 4 0.003 4 0.003 5 0.003 5 0.00

13、3 3 0.003 3 0.003 5 0.002 8 0.002 7 0.002 7 0.003 0 0.003 0 D ISO 7242:20063D ISO 7242: 2006 3 A B ISO 10 ISO 13 ISO 15 ISO 25 R 2298 440 R 2298 440 R 2298 440 R 2298 440 N K x 77 16 0.153 89 54 11 0.162 5 68 14 0.347 83 53 11 0.359 7 89 18 0.016 17 57 12 0.017 17 70 14 0.003 231 53 11 0.003 141 Sw(

14、 ) Sb( ) St( ) Sn(1) 0.004 45 0.009 44 0.010 45 0.010 15 0.001 614 0.004 916 0.005 174 0.004 998 0.005 83 0.011 73 0.013 1 0.012 78 0.006 3400.006 2490.008 9020.008 7370.000 205 90.001 335 0.001 485 0.001 457 0.000 368 0.000 573 0.000 680 0.000 664 0.000 185 0.000 325 0.000 374 0.000 365 0.000 1360.

15、000 2440.000 2800.000 271 99 % St tN 1 St tK 1 0.027 69 0.030 80 0.013 84 0.016 40 0.034 8 0.039 5 0.023 84 0.028 21 0.003 93 0.004 30 0.001 81 0.002 11 0.000 992 0.001 126 0.000 7490.000 887 95 % St tN 1 St tK 1 0.020 85 0.022 27 0.010 38 0.011 53 0.026 2 0.028 3 0.017 88 0.019 83 0.002 96 0.003 13

16、 0.001 36 0.001 50 0.000 747 0.000 808 0.000 5620.000 624 4 3 Sw ( , ) “ ” “ ” Sb ( ). , , Sw . . , . (St St(K 1) StSb . . S2t S2b S2w Sb . n . Sn(SN .) N . Sb , Sw . Sw . St t(N 1) N 1 Sb ( ) SN t(N 1) . (N 1) 0.05 t 2.0 . St t(N 1) N 1 Sb ( ) . t (student) (K 1) . 3.1 . . a) ? b) ? c) , ? 4 D ISO

17、7242: 2006 ? 3.2 ( ) 3.1 , . , . 3.2.1 , (1) . (1) Snedecor 3.2.2 , ( ) , . 3.2.3 3 ISO 13 A( ) Sw . (2) . 3 480 ppm 58 ppm , 1.7 % . (2) . 5 . ppm26558= 123 ppm ( 3 .). = 22 , 0.05 Snedecor , . 2261233.2.4 , . , Sb 3 . 2b2SS = 52wS n St(n)( ) . nSSSn2w2b2)t(+= Sb Sw , . St Sb . n 5 S2( ) . 2S)t(n3.

18、2.5 , Sn , Sn Sw . , . . 3.3 . , . 3.3.1 3 (3) (St Sn Sw . 3 .). n )1(t NtS5 D ISO 7242: 2006 , n/1 . , . (3) 3 . St t “ ” , t Student-Fischer . (N 1) St . 3.3.2 3 . n . )1(t ktSnSSS2w2b2t+= , n , Sb( ) Sw . , t: Student Fischer k 1: Sb , St 3.4 3 . , . “ ” . 20 , 10 . 3 , (4) . ( ). , n (4) . 4. .

19、k (k 20), n (n 10). . 1 5 . 4.1 4.1.1 ( )( 7 ): . 4.1.2 ( 8 ) : w0, : 0max0/ ww 4.2 ( 9 ) Cn,k 0w 9 . w0/ SCwkn,= 4.3 (Sw) . xw x ( ). 6 D ISO 7242: 2006 : q 0/ wwx 10 q ( ) . k n 4.3.1 q q , . 4.3.2.1 . xkxSCw =/ (Ck 11 ) 4.3.2.2 Sb . nSSSx2w22b= . 4.3.2.3 n SR . n 1 , 2w2b2RSSS +=n 4 , 4/2w2b2RSSS

20、 +=n 9 , 9/2w2b2RSSS +=95 % , 2 SR , 2.8 SR (2.8 22 ). , 5 19 2 SR t , t Student-Fischer ( 11) t .5. A 5 : 1( ISO 13) IT IT IT IT IT GB GB GB GB ES ES HU DE DE ISO 13 A B C D E B E F N A B A B Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr % Cr %10 3n 5 k 13 340 338 340 336 337 344 3

21、42 346 344 346 347 350 341 352 345 360 362 362 359 363 371 357 359 364 357 36(0)36(0)36(0)37(0)36(0)348 348 349 349 350 362 358 353 360 365 336 340 334 340 352 330 340 350 340 350 345 350 35(0) 36(0) 36(0) 37(0) 35(0) 325 315 338 339 337 3243273373183225x 338 344 347 361 362 362 349 359 340 342 358

22、331 3265w 4 4 11 4 14 10 2 12 18 20 20 24 19 7 D ISO 7242: 2006 5.1 5.1.1 . , (Dixon test) ( 7 ). 5.1.2 15.0162/24/omax=ww 8 0.162 . , . 5.2 5.2.1 )n,wCwSk(oo/= n 5, k 13 5.1213/16213/oo= ww 9 58.5 C(5,13) 2.33 . Swo 12.5/2.33 5.35( 5.8 .) 5.2.2 ( 10 ) : 5.12,36326362o= wwxq 36/12.5 2.88( ) ( 10 0.0

23、1, k 13, n 5 q 1.11 .) : 3.3,13,/ = CkCwSkxx( 11 ) 9.103.3/36 =xS 5.2.3 52w2bSSSx= 6.105)35.5()9.10(22b=S ( 11.8 .) 5.3 %)7(24)35.5()6.10(222=+ 4 %)6(204)35.5()6.10(222=+ . 6. B 8 D ISO 7242: 2006 6 : 2( ISO 13) n 5 k 9 x 361 1 2 3 4 5 6 7 8 9 5x 5w 350 7 365 10 362 9 360 3 359 11 358 20 368 3 357 3

24、0 367 7 6.1 6.1.1 . : k 9, r(11) 357 350/367 350 7/17 0.41 7( ) 0.05 0.512 . . 6.1.2 30.0100/30/o.max=ww 8( ) 0.22 . . 8 . 8 28.070/20/o.max=ww 8( ) 0.25 ( ). 6 , 7 . 22.050/11/o.max=ww 8( ) 0.278 . 6.2 6.2.1 )7,5(ow/CwS = 9( ) 25.6 C(5,7) 2.35 . Sw 7.15/2.35 3.04 6.2.2 ( 10 ) 18350368 =xw 15.7o=w q

25、 18/7.15 2.51( ) ( 10 0.01, k 7, n 5 q 1.05 .) 7/ CwSxx= C7 2.82( 11 ) 4.682.2/18 =xS 6.2.3 Sb52w2bSSSx= 25.65)04.3()4.6(22b=S 6.3 9 D ISO 7242: 2006 %)4(14)04.3()25.6(222=+ 4 %)5.3(134)04.3()25.6(222=+ 1. B , . =ow 100/9 11.1 Swo 11.1/2.34 Swo 4.74( 25 ) : q 18/11.1 1.62 ( 10 ). . 2. 6 8 . 9 . , . 10 D ISO 7242: 2006 k , . , M(1) M(k) . . 4 . )1()()1()2()10(MkMMMr= )1()1()1()2()11(MkMMMr= )1()1()1()3()21(MkMMMr= )1()2()1()3()22(MkMMMr= 7 . 7 k 0.30 0.20

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