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4. A new type of Zeeman-effect atomic-absorption spectrophotometer

Author

Wang Rong-rong, Zhong Zhong-ming, Jing Shi-lian, Li Shao-Yuan, Yu Chu-ming, Sun Jina, Yan Yan, Zhang Dong-hua, and Ma Yi-zai

Subjects
Condensed Matter::Quantum Gases, Lanthanide, Zeeman effect, Chemistry, Instrumentation, Alloy, Analytical chemistry, engineering.material, Analytical Chemistry, law.invention, Absorbance, symbols.namesake, law, Physics::Atomic and Molecular Clusters, symbols, engineering, Physics::Atomic Physics, Graphite, Absorption (electromagnetic radiation), Atomic absorption spectroscopy
Abstract

A new type of Zeeman-effect atomic-absorption spectrophotometer has been developed. It uses fast heating of a special atomizer made from a pyro-coated graphite tube lined with tungsten—tantalum alloy, for easier determination of refractory and rare-earth elements. A boxcar integrator is used, and the atomic absorption, background absorption and atomization temperature can be recorded. By means of the Zeeman effect, the instrument can correct for background absorbance up to 2.0.

Published
1985

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