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{Ҭ̿ԇƌ(du)(yn)ƷζӰЩ

2013-10-11 09:02 (li)Դ:δ֪

 {—Ҭ̿ԇƌ(du)(yn)ƷζӰЩ

 

Ҭ̿ԇ

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

 

    ڶ(bio)(zhn)ҺQ(chng)ȡ0. 0500g(99.99ϣ100mLl0mLˮw60~70ˮԡϼӟܽ8~10250g/L NaClҺڷˮԡϼӟȡ£1mL HCI^m(x)ڷˮԡȡ¼ˮ΢ʹ}(li)ȫȡҜʢ5mL HCI500mLƿУˮϡ̶Һ100μg/mLAu

 

    c(bio)(zhn)ҺQ(chng)ȡ25. 2gc(Na2S2O3·5H2O)кssˮ0. 1g Na2CO3ˮϡ1LҺpH7.2~7.5)Һ1mLஔ(dng)l0mg Auքeȡ30mL100mLҺl0L¿ƿ?j)?ni)1go(w)ˮNa2CO3l0mLȷssˮϡ10L,uһܺM(jn)И(bio)ȡ30μg100μg Au50mL3~5250g/L NaClҺ2~3mLˮˮԡ3~4HCI؏(f)ɴȻÃɷNc(bio)(zhn)Һζ1mLҺஔ(dng)Au|(zh)(1mLքeஔ(dng)30μgl00μg),μg/mL

 

Ҭ̿{

    ԇˮֽϡˮ|(zh)û̿Au̿һƟˮ(f)ܣHCI|(zh)NH4HF2EDTAڱFeCuȸɔ_ԪأKIAu3+߀ԭAu+ͬr(sh)xI2Ե۞ָʾc(bio)(zhn)ҺζmһVʯω(Au)/10-6>0.5Ĝy(c)

 

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

 

   Ҭ̿ھƚw߀ܶߡ^(gu)V܇(ch)β̎bõû̿׿Խܣwжɷ(du)wijɷֻгζijɷֳȥ^(gu)Vм100~120ng̿Ժ󣬾܌Ќ(du)wкijɷֳȥܴһ

 

    Ҭ̿;ҪˮˮƾơI(y)ˮăÓɫÓҲڟИI(y)Ó򴼵ȡ(jng)^(gu)ԵĻ̿䌦(du)՚еı(li)ȩTVOCк|(zh)ζõȥҬ̿ЧʺҪ(yu)N(li)Ļ̿Ұȫo(w)Ⱦo(w)κζ

 

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