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4 results for “Erythrite”

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Britannica 11th

Encyclopaedia Britannica · 11th edition

4 matches

Erythrite

Britannica 11th

ERYTHRITE, the name given to (i) a mineral composed of a hydrated cobalt arsenate, and (2) in chemistry, a tetrahydric alcohol, (i) The mineral erythrite has the formula Co3(AsO4)2-8H2O, and crystallizes in the monoclinic system and is isomorphous with viviani ...

Vol. 9, pp. 758-758 OCR text aligned to scanned pages Relevance 330.0

Thorite

Britannica 11th

THORITE, a rare mineral consisting of thorium silicate, crystallizing in the tetragonal system and isomorphous with zircon. The theoretical formula, ThSiCu, requires 81-5 % of thoria, but analyses show only 50-70%, there being also some uranium, cerium, &c. Th

Vol. 26, pp. 878-878 OCR text aligned to scanned pages Relevance 33.75

Sugar

Britannica 11th

... cerol ; this medium also acts on other alcohols to yield ketoses ; for example: erythrite gives erythrulose, arabite arabinulose, mannitol fructose, &c. Tetroses. — Four active tetroses are possible, and three have been obtained by Ruff and Wohl from the pento ...

Vol. 26, pp. 32-35 OCR text aligned to scanned pages Relevance 12.0

Thiophen

Britannica 11th

... thyl sulphide through a red-hot tube; by heating crotonic acid, butyric acid or erythrite with phosphorus pen tasulp hide; by heating succinic anhydride with phosphorus pentasulphide or sodium succinate with phosphorus trisulphide (J. Volhard and H. Erdmann, B ...

Vol. 26, pp. 850-850 OCR text aligned to scanned pages Relevance 12.0