✦ LIBER ✦

A Microsampling System for Flame Atomic Absorption Spectrometry Using Hydrodynamic Injection

✍ Scribed by S.K. Xu; Z.L. Fang

Book ID: 102615620
Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 311 KB
Volume: 51
Category: Article
ISSN: 0026-265X
DOI: 10.1006/mchj.1995.1041

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✦ Synopsis

A flow injection microsample introduction system for flame atomic absorption spectrometry is developed based on air-transported sample loading and hydrodynamic injection. An augmenting water stream was used between sample loop and nebulizer to prevent disturbances from nebulizer suction during sample loading. A total of (0.8 \mathrm{ml}) of sample was sufficient for triplicate measurements, including washout between samples, and achieving the sensitivity of conventional steady-state measurements. The system was applied to the determination of copper in serum samples at a sampling frequency of (100 / \mathrm{h}) and with a precision of about (2 %) rsd. 1995 Academic Press, Inc.

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