JIS G1225-2006 钢铁中砷的定量分析方法

G 1225 2006 1 QUV wFx|j=OH 14 tloj;bH 12 H 1 wFt,nV|O. (T|jjoFYbVqwZUK| j*q&o|&AGUYhFpK tlo| 1225:1992 xY|wFtVQ wFwU|U$QmV|Z&wZ&|;V|xZ&w;JZ&tbDQUKqtIb&AGt|j*qx|wOsU$QmV|Z&wZ&|;V|xZ&w;JZ&tTTtmMo|yxhsM 1225 tx|tbUK 1 F O=ZmhuSO 2 F +=+=mu SO 3 F =ymhuSO 3A MgtmMowCC 3B Sw 4 q0 bMFqw0z G 12252006 2 1.&;c 1 2.;F 1 3. 1 4. MOw 2 1FO=ZmhuSO 3 2F+=+=muSO 6 3F=ymhuSO 10 3AMgtmMowCC 16 3BSw 17 4 q0 bMFqw0z 18 is F 1225 2006.t|MO of wFx|.t|wMOtmMo| 1225:1992 tFhMO|U$0!dct7iZ!o 1 t| 2 q| 2004 tH 1 qoCh 7058 of |U$0t|Fw7!bqsX 3 qoRhFpKwFq 7058 qw0z 4 tb 1. &;c wFx|.t|wMOtmMoFb wFw0 MF|tb sS|0 wSbGx| t,nV| oM | oM | spsMqb 7058:2004 of 2. ;F tFx|wFt;qtlo|wFwFwRbw;FwOjp|CGoKwx|GLwwiZUwFwFRbwpKlo|fwwY4tx&;sMCGoMsM;Fx|fw74 &;b 0417 .t|=R;wt|a 4284 of of U|wFqoM 1201 .t|sMO 8001 gMO 8005 0s;j 8402 MOt|ALwSt|SH 6 tbw;$sMM 85984 :48:1977 042:1998 696:1987 . MOtsx| 1201 t 2 G 12252006 4. MOw wMOx|wMcTtMOwRx|p|AsSsroO a) O=ZmhuSO wMOx|pp wt&;bwp 1 t b) + =+=muSO wMOx|pp % %wt&;bwp 2 t c) =ymhuSO (7058) wMOx|pp % =muSO 1. A t|wprh|aCQ|Coaw(Cd#+t|zCQ|+pQto+= () qdoZ=d|w9tu)od|fwuSb 2. x|t a) b) (1+1) c) a d) z(1+1) e) ( 3| 1) f) + g) . mSwM.p|sMT|xpUpVvX|Tm7pKw h) e s;|- i) O=9(200 g/l) w9x;wNSab j) =bc (9 =bc(+ 40 g 100 t9r|tbcwCQo-bw9x|;wNS+p 10 t, k) z9 z+ 19.7 g z(1+1)20 t9r|+p 1 000 mlqb l) #+( m) 9 g t| 3.0 g + 6 t9r|+p 500 mlqb n) #9 #+ 10 g + 100 t9r|# 1|2 #CQ o) (9 g 100 tTXxsUCo9rb p) j9 ( g/ =( 8005) g +=9(40 g/l)2 t9r|+p,|9ax| 8001 w )(g|#;)t1 |2 #qoCQ|z(1+10) pQq|1 000 wt+;Mo|+pp,oj (00 g/ qbwj;wNS|AiZ+t 50 t,oj9qb 3. + +=t|+=u)w 2 $ 1 tb 4. xTq xTqx| 2 1 t is 1225 2006 2 1 xTq p p (%) xTq g . 9wa 9wax|wMcTt a) pp 5 %ww 1) xTqlo (300 t 2) -|pM| 20 CQoCorba 20 CQoCZ|wUtsawUw;loovbSt 5 10 -dh|Lb b) pp 5 %ww 1) xTqlo (300 t 2) -|pM| 20 CQoCorba 20 CQoCZ|awUw;loovbSto ( ) ( )t=b tcm:stZo#C|=qoGw4bVVColh ( )U ( )t=bpaw(Cdh| Lb wm tloh9t+ 100 CQoe|Co9rh| xTq g wx 3.0 g |xTq 1.0 g wx 7.0 g CQo9rb tz9 5 CQo| -;Mo+p9w 10.0th|Co 2 3 oTkb=mt| +=w=mt|x|wqtloO a) tloh=t| z (1+1)6 q (1+1)2 CQ|tesUO=9 5 q=bc (9 5 CQ|t+p 50 qh| 15 Lb b) +=te 5.0 g CQ|+=q|hwz+=u)t#9 phghw| t|h+=u)9 Yt 5 hwqXA| 25w+p 1 L|=h+=u)od uSw tloh9wS-wu) (10 t| 9 0qo| 530 wuSb 6. g wEt. ;Mo| 5. wqtHloqaqoO 8 G 12252006 7. UwR 2 2 wpcqt 7 xw(300 j|fgt 2 1 wxTqqw. xTqlot| 2 2 wj9 4CtHloj9 YtCQ=t|+=u)w 10 G 12252006 3F=ymhuSO wx