火焰原子吸收光谱法测定矿石中金

1007－967X201104－0053－03*1101411+1。0．85%n=798．11%～101．05%。O657．31A01－2。－3。1+1。11．1180－7014kW1+11+110g/L10g1000mL1+1910g/L1g100mL2001mg/mL10mL100mL10mL100μg/mL。1．230g500mL1+1100mL1+1100mL60min40mL2mL5min200mL30℃。5mm0．5～1．0g15mm。30℃1+196～81+194～58～1050mL650℃1～2mL1～2min1+1910mL30min。1．3242．79nm8mA0．2nm－。27420118NON－FERROUSMININGANDMETALLURGYVol．27．№4August2011*2011－05－171972—。1．40．5mL1．0mL2．0mL4．0mL8．0mL100mL10mL50μg100μg200μg400μg800μg。1。1μg501002004008000．0460．0900．1850．3700．7391。22．1Au－5．68g/t23。2+1+11+21+31+41+5g/t5．675．655．705．655．4131+1min30456090g/t5．095．485．695．48231+1～1+41+145min。1+11+120mL。1+11+1100mL60min40mL。2．25．00mg。4。4gmgμg%315．007898．44325．006298．76335．002299．56345．004699．08355．002199．581g5．00mg430g1．0～5．0mg0．8g。5～9mm10～15mm。2．3Au－5．68g/t5。5+1+21+31+41+5g/t5．485．315．665．381+46。6℃1520354560g/t5．665．675．705．415．301+420～35℃15mL/min。2．45．00mg7。7℃500550600650700800mg4．134．244．464．894．674．587650℃。2．55．00mg8。8g/L5101520mg4．764．924．824．7110～15g/L10mL10g/L100mL。2．6Au－15．68g/t1．29。452791234567g/t15．6115．6915．7015．6515．7415．6515．61g/T15．66%0．048%0．852．710。10n=4mgmgmg%1．002．88101．0511．853．004．8098．975．006．7798．835．0010．4898．1125．6010．0015．3998．6515．0020．4099．023500mL2．111。11。11g/tg/t3．683．731051．271．19990．190．16238．768．690323．8423．974。。1．M．19858－9．2．M．200319－20．3．J．20011211．4．C．1982．TheSpectrumMethodofFlamesAtomAbsorptionMeasureGoldinOreZHANGYingShengyangResearchInstituteofNonferrousMetalsShengyang110141ChinaAbstractUsedaquaregia(1+1)todissolvesample，measuredgoldbyusingthespectrummethodofflamesatomabsorptioninthioureasolution．Mainlyexaminedexperimentconditioninaccumulategoldwithcharcoal．Shortenedtheanalysistime，eliminatedinfluenceofalargenumberofdisturbanceelements．TheRSD(%)was0．85(n=7)andrecoveryof98．11%～101．05%．Keywordsthespectrummethodofatomabsorption;gold;檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸measurecharcoal35TechnicalStudyonExtractingLeadbyDirectElectrowinningofLeadChlorideSolidSHUFang-xiaShengyangResearchInstituteofNonferrousMetalsShengyang110141ChinaAbstractDirectelectrowinningofleadchloridesolidwasstudied．Theeffectofthefactorssuchascathodecurrentdensity，electrowinningtemperature，concentrationofHClandNaClinelectrolyte，massofPbCl2oncurrenteffi-ciency，cellvoltageandqualityofthedepositswereinvestigated．Theresultsshowedthatundertheconditionsofacurrentdensityof200A/m2，temperature65℃，2mol/LNaCl，0．1mol/LHCland20gPbCl2oncathode，thecurrentefficiencyattainedabove98%andcellvoltagewasabout2V．Keywordsleadhydrometallurgy;leadelectrowinning;leadchloride554