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{Ҭ̿ԇƌ(yn)ƷζӰЩ

2013-10-11 09:02 Դ:δ֪

 {—Ҭ̿ԇƌ(yn)ƷζӰЩ

 

Ҭ̿ԇ

    һ̿-{̎̿0.074mmĻ̿20g/L NH4HF2Һн3d^VHCl (2+98)ˮϴ7~8̎Ļ̿c{Ըɕr|(zh)Ȱ12

 

    ڶ(bio)(zhn)ҺQȡ0. 0500g(99.99ϣ100mLУl0mLˮw60~70ˮԡϼӟܽ8~10250g/L NaClҺڷˮԡϼӟȡ£1mL HCI^m(x)ڷˮԡȡ¼ˮ΢ʹ}ȫܣȡҜʢ5mL HCI500mLƿУˮϡ̶򡣴Һ100μg/mLAu

 

    c(bio)(zhn)ҺQȡ25. 2gc(Na2S2O3·5H2O)кssˮ0. 1g Na2CO3ˮϡ1LҺpH7.2~7.5)Һ1mLஔ(dng)l0mg Auքeȡ30mL100mLҺl0L¿ƿ(ni)1goˮNa2CO3l0mLȷssˮϡ10L,uһܺM(jn)И(bio)ȡ30μg100μg Au50mL3~5250g/L NaClҺ2~3mLˮˮԡ3~4HCI؏(f)ɴΡȻÃɷNc(bio)(zhn)Һζ1mLҺஔ(dng)Au|(zh)(1mLքeஔ(dng)30μgl00μg),μg/mL

 

Ҭ̿{

    ԇˮֽ⣬ϡˮ|(zh)û̿Au̿һƟˮ(f)ܣHCI|(zh)NH4HF2EDTAڱFeCuȸɔ_ԪأKIAu3+߀ԭAu+ͬrxI2Ե۞ָʾc(bio)(zhn)ҺζmһVʯω(Au)/10-6>0.5Ĝy

 

    ڷ̿УЕr(yn)ƷλƫF(xin)ʧ`ǙzˎƷ^ڬF(xin)(yn)Ʒλƫߺƫͻf`̫Ӱ^Ʃ绯(yn)˞g(sh)ߵJ(rn)̶ȣO(sh)侫ȼ(wn)ˎƷ|(zh)h(hun)͜ضȵȡ˲ߏ·`r`°빦Ҫ(yn)͵Ҿл(yn)Y|(zh)ұ^Ҏ(gu)Ĵλȥ

 

   Ҭ̿ھƚw߀ܶ^V졢܇β̎bõȣû̿׿Խwжɷwijɷֻгζijɷֳȥ^Vм100~120ng̿Ժ܌Ќwкijɷֳȥܴһ

 

    Ҭ̿;ҪˮˮƾI(y)ˮăÓɫÓҲڟИI(y)Ó򴼵ȡ(jng)^ԵĻ̿䌦՚еıȩ뱡TVOCк|(zh)ζõȥãҬ̿ЧʺҪ(yu)NĻ̿ҰȫoȾoκζ

 

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