Determination of chromium in human milk and urine by graphite-furnace atomic absorption spectrometry |
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| Authors: | Jorma Kumpulainen |
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| Institution: | Department of Food Chemistry and Technology, University of Helsinki, 00710 Helsinki 71 Finland |
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| Abstract: | Low-temperature ashing and dry ashing at 500°C are compared for the analysis of urine and human milk. Dry ashing gives superior accuracy. The importance of contamination control, background correction and temperature control are stressed. Both urine and human milk contain about 1 ng Cr ml-1. |
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