Институт неорганической и физической химии АН АзССР
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Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means
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Использование: в аналитической химии. Сущность изобретени : теллур перевод т в окрашенное соединение путем обработки 0,003-0,005 М раствором 1-окси-2,4-дитио- нафтола в среде 0,01-12 н. серной кислоты или 0,01-11 н. сол ной кислоты. 1 табл.Usage: in analytical chemistry. SUMMARY OF THE INVENTION Tellurium is converted to a colored compound by treatment with a 0.003-0.005 M solution of 1-hydroxy-2,4-dithiononaphthol in a medium of 0.01-12 N. sulfuric acid or 0.01-11 n. hydrochloric acid. 1 tab.
SU904869056A1990-06-211990-06-21Method for determining tellurium
RU1778687C
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Аналитическа хими селена и теллура. М.: Наука, 1971, с. 90-93. Авторское свидетельство СССР № 410796, кл. G 01 N 21/78, 1972. Авторское свидетельство СССР №941283. кл. G 01 N21/78. 1980. Авторское свидетельство СССР № 377605, кл. G 01 N 21/78, 1970.*
PROCESS FOR THE PREPARATION OF POS FOR WASHING WITH A STABILIZED OR IMPROVED ASPECT CONTAINING OPTICAL ACLARATORS, SOLUTION OR ACLARATING DISPERSION AND COMPOSITION
PROCESS FOR THE PREPARATION OF A NON-AQUEOUS LIQUID, NON-IONIC LIQUID DETERGENT COMPOSITION, FREE OF PHOSPHATE OR OF A LOW CONTENT OF PHOSPHATE, FOR WASHING CLOTHING, CONTAINING A NITRILOTRIACETIC ACID ALKALINE METAL SALT
Compounds of 3- (alkylcarbamoiloxymethyl) -3-cefem-4-carboxylic acid, process for the preparation of these compounds and antibacterial preparation containing them.