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极谱法测定金矿石中的砷
引用本文:毛朝霞.极谱法测定金矿石中的砷[J].当代化工,2010,39(4):477-478.
作者姓名:毛朝霞
作者单位:中国地调局沈阳地质调查中心,辽宁沈阳,110032
摘    要:在氢氧化钠-硼砂的底液体系中对金矿石进行极谱测定,在峰电位-0.35 V,砷的质量浓度在2~400μg/mL之间时砷的浓度与峰电流成线性关系。选用含有甘露醇的氢氧化钠硼砂的底液测定砷,精度好,准确度高,检出限为0.002μg/mL。

关 键 词:极谱    金矿石

Determination of Arsenic in Gold Ore by Polarography
MAO Zhao-xia.Determination of Arsenic in Gold Ore by Polarography[J].Contemporary Chemical Industry,2010,39(4):477-478.
Authors:MAO Zhao-xia
Affiliation:MAO Zhao-xia(China Geological Survey Shenyang Center,Liaoning Shenyang 110032,China)
Abstract:Arsenic in gold ore was determined by polarography in mannitol-sodium hydroxide-borax system.Its peak voltage was-0.35 V,arsenic content had a linear relationship with the peak current when arsenic content was in the range of 2~400 μg/mL.The results show that the method is accurate and reliable,detection limit is 0.002 μg/mL.
Keywords:Polarography  Arsenic  Gold ore
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