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- W2369949224 abstract "Objective:To establish an atomic absorption spectrophotometric graphite furnace(GFAAS) method for determination of lead in glycerol ester of partially dimerized rosin.Methods:The sample of glycerol ester of partially dimerized rosin was heated in a porcelain casserole on a hot plate until completely charred,then ashed in a muffle furnace.At last the lead content was determined in GFAAS.Results:The optimum ashing conditions was 1.5 hours in 480℃.The suitable chemical modifier for this determination was 0.5% NH4H2PO4.The detection limits was 1.21 ng/ml,sparkle recoveries were 82.0%～93.5%,and the RSD were 1.4%～4.4%,respectively.Conclusion:The developed method is rapid and accurate,and it can meet the detecting demand of the practical samples." @default.
- W2369949224 created "2016-06-24" @default.
- W2369949224 creator A5088416359 @default.
- W2369949224 date "2009-01-01" @default.
- W2369949224 modified "2023-09-24" @default.
- W2369949224 title "Determination of lead in glycerol ester of partially dimerized rosin by atomic absorption spectrophotometric graphite furnace method" @default.
- W2369949224 hasPublicationYear "2009" @default.
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