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Determination of Major, Minor, and Trace Elements in Human Serum by Using Inductively Coupled Plasma-Atomic Emission Spectroscopy

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Abstract:

An evaluation of two methods of sample preparation for human serum and two methods of calibration for inductively coupled plasma spectroscopy is made statistically for 10 elements. Digestion of 1 mL of serum in nitric-perchloric acids was found to be more reliable than a 10-fold dilution of the sample. With acid digestion, aqueous calibration standards are sufficient and standard addition is unnecessary. Only Ca, Na, Mg, P, and Sr can be determined reliably with the dilution approach. The relative standard deviations ranged between 0.7 and 6% for ICP-AES analysis with 0.75 mL sample injections.

Keywords: Emission spectroscopy; Inductively coupled plasma; Metals; Sample preparation; Serum

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702854249817

Affiliations: 1: Department of Chemistry, University of Massachusetts, GRC Towers, Amherst, Massachusetts 01003-0035; present address: General Research Institute for Non-Ferrous Metals, Ministry of Metallurgical Industry, Beijing, People's Republic of China 2: Department of Chemistry, University of Massachusetts, GRC Towers, Amherst, Massachusetts 01003-0035

Publication date: September 1, 1985

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