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Eberhard Brauer
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C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B21/00—Nitrogen; Compounds thereof
C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
C01B21/38—Nitric acid
C01B21/44—Concentration
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Organic Chemistry
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Inorganic Chemistry
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Heat Treatment Of Water, Waste Water Or Sewage
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Manufacture And Refinement Of Metals
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Abstract
14,381. Brauer, E. June 16, 1909, [Convention date]. Acids, distilling.-Nitric acid is concentrated by distilling with phosphoric or arsenic acid, or a mixture thereof. Such acid salts of these acids as have properties similar to the free acids may be added to the acid, and these salts may be formed by the addition of the normal salts.
GB191014381D1909-06-161910-06-14Process for Concentrating Nitric Acid.
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