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- E-ISSN 2288-8985
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Determination of Trace Elements in Urine Samples by Graphite Furnace Atomic Absorption Spectrophotometry
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1994, v.7 no.4, pp.555-561
Choi,
C., Choi,
H., Park,
C. J., &
Kim,
Y.
(1994). Determination of Trace Elements in Urine Samples by Graphite Furnace Atomic Absorption Spectrophotometry. Analytical Science and Technology, 7(4), 555-561.
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Abstract
A method was described for the graphite furnace atomic absorption spectrophotometric determination of trace cadmium, copper, chromium and lead in urine samples. The elements were directly determined without any other treatments. The ash temperature was intensively optimized to improve the large background by the removal of organic materials and alkali and alkali earth metals in urine samples. Two kinds of standard solutions were used to plot calibration curves. From the recovery data, it could be confirmed that the analytical results with the synthetic urine matrix similar to real urine were more accurate than with a deionized water matrix.
- keywords
- Graphite Furnace Atomic Absorption Spectrophotometry, Urine, Trace Elements
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