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《Chinese Journal of Analytical Chemistry》 1989-08
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STUDIES ON INTERFERENCES OF CHLORIDES AND ENHANCEMENT OF SENSITIVITY WITH CALCIUM NITRATE IN THE DETERMINATION OF ALUMINIUM BY GRAPHITE FURNACE ATOMIC ABSORPTION SPECTROSCOPY

Jiang Yongqing Yao Jinyu (Changchun Institute of Applied Chemistry,Academia Sinica) Huang Benli (Department of Chemistry,Xiamen University)  
The use of Ca (NO_3)_2 as matrix modifier can increase ashing temperature and decrease atomization temperature. The mechanisms of chloride interference and enhancement of sensitivity are proposed. Trace amount of Al in river water and underground water have been determined with Ca (NO_3)_2 as matrix modifier.
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【Co-references】
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1 Yu Jinrun Cui Zhenji(Institute of Metal Research, Academia Sinica);Determination of Trace Amount of Aluminium in Pure Iron and Low-Alloy Steel by Atomic Absorption Spectrometry with Graphite Furnace Atomization[J];Chinese Journal of Analytical Chemistry;1983-08
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