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Determination of impurities in high-purity materials by atomic absorption with an internal standard

✍ Scribed by D. A. Katskov; B. V. L'vov

Publisher
Springer US
Year
1969
Tongue
English
Weight
225 KB
Volume
10
Category
Article
ISSN
0021-9037

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A procedure is reported for the determination of Fe in high-purity POCl, at a concentration level of lo-80 pg 1-l. Electrothermal atomic absorption spectrometry was used and liquid POCl, was directly injected into a graphite tube of the atomizer. The optimum operating conditions of thermal pre-trea