JOURNAL ARTICLE
Solubility in the K2Cr2O7 + CrO3 + KNO3 + HNO3 + H2O System
Heng-fang ChenZuohu LiYi Zhang
Year: 2003 Journal: Journal of Chemical & Engineering Data Vol: 49 (1)Pages: 143-147 Publisher: American Chemical Society
Abstract
The solubilities of the K2Cr2O7 + CrO3 + KNO3 + HNO3 + H2O system at 0 degreesC, 25 degreesC, and 45 degreesC were determined, and the phase diagrams were constructed. Furthermore, analyses and discussions are made on the crystalline areas in the phase diagrams. Based on the solubility data, the technique of a new cleaner process for manufacturing chromium trioxide and potassium nitrate simultaneously by decomposing potassium dichromate with nitric acid was evaluated.
Keywords:
Nitric acid Solubility Chromium Potassium nitrate Potassium dichromate Inorganic chemistry Potassium Phase diagram Nuclear chemistry Chemistry Phase (matter) Mineralogy Analytical Chemistry (journal) Materials science Physical chemistry Metallurgy Environmental chemistry Organic chemistry
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0.20
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3
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0.53
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Citation History
Topics
Crystallization and Solubility Studies
Physical Sciences → Materials Science → Materials Chemistry
Pigment Synthesis and Properties
Physical Sciences → Chemistry → Inorganic Chemistry
Extraction and Separation Processes
Physical Sciences → Engineering → Mechanical Engineering
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