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JPS5931710A
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Drinking solution for supplying calcium
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JPS5599200A
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Production of beet sugar
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JPS53146296A
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Improved method of purifying phosphoric acid
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IT1038592B
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Purification of phosphoric acid - by extracting with organic solvent and then back extracting the acid
|
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DE2517657A1
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Phosphoric acid purification - by solvent extraction water washing of extract and back extraction with water
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US3917805A
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Production of phosphoric acid of high purity
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GB1291812A
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Polycondensed acid composition and process for the preparation thereof
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