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Citation: Hao Yongjing, Liu Yuwen, Liu Haiyan. Discussion and Improvement of Preparing Molybdic Acid Ammonium Solution[J]. Chemistry, ;2019, 82(12): 1138-1140. shu

Discussion and Improvement of Preparing Molybdic Acid Ammonium Solution

College of Chemistry and Molecular Sciences, National Demonstration Center for Experimental Chemistry Education, Wuhan University, Wuhan 430072

Corresponding author: Liu Haiyan, liuhiy@whu.edu.cn
Received Date: 1 July 2019
Accepted Date: 28 August 2019

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In this article, we made a theoretical analysis and experimental study to the problems of preparing molybdic acid ammonium solution in inorganic chemistry teaching experiment. To solve these problems, we present a simple and feasible method for preparing molybdic acid ammonium solution. Ion identification experiment results showed that molybdic acid ammonium solution prepared by as-presented method was sensitive to phosphate ion. The whole process was specific to phosphate ion, and the satisfied experimental results in the teaching experiment were achieved. After storing the molybdic acid ammonium solution prepared by this method for 1 year, the ion identification experiment showed similar result for phosphate ion identification. It means that the short shelf-time problem of molybdic acid ammonium solution in the inorganic chemistry teaching experiment has be sloved saccelofully.
- Molybdic acid ammonium,
- Phosphate,
- Preparing,
- Ion identification
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