发射光谱法测定勘查地球化学样品中银硼锡钼铅
Determination of Silver, Boron, Tin, Molybdenum and Lead in Geochemical Exploration Samples by Emission Spectrometry
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摘要: 以K2S2O7、NaF、Al2O3和炭粉为缓冲剂,Ge为内标,电弧发射光谱法测定勘查地球化学样品中Ag、B、Sn、Mo、Pb。方法检出限为Ag0.013μg/g、B0.83μg/g、Sn0.23μg/g、Mo0.073μg/g、Pb0.37μg/g。方法精密度(RSD,n=12)为Ag4.2%~11.3%、B3.2%~6.5%、Sn2.6%~7.1%、Mo2.9%~6.3%、Pb1.57%~5.18%。测定了国家一级地球化学标准物质,结果与标准值相符。
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Keywords:
- emission /
- spectrometry /
- geochemical /
- exploration /
- sample /
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