Криворожское Отделение Приднепровской Железной Дороги
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Криворізький Відділок Придніпровської Залізниці, Криворожское Отделение Приднепровской Железной ДорогиfiledCriticalКриворізький Відділок Придніпровської Залізниці
Priority to UA97010220ApriorityCriticalpatent/UA28414A/en
Publication of UA28414ApublicationCriticalpatent/UA28414A/en
A method for preparation of sodium sulfate comprises batching and mixing of components of sodium hydroxide and sulphuric acid. Preliminary purified spent sodium alkali battery electrolyte is used as sodium hydroxide component, and spent preliminary purified battery sulfuric acid electrolyte is used as sulfuric acid component. The invention relates to methods for synthesis of sodium sulfate and may be used for production of chemicals.
UA97010220A1997-01-211997-01-21Process for obtaining of sodium sulfate
UA28414A
(en)
Oxidation process for preparing the intermediate 6.alpha.,9.alpha.-difluoro-11.beta.,17.alpha.-dihydroxy-16.alpha.-methyl-androst-1,4-dien-3-one 17.beta.-carboxylic acid
ELECTROCHEMICAL PROCESS AND ELECTROCHEMICAL CELL FOR THE PRODUCTION OF SULPHURIC ACID AND SODIUM HYDROCID, THROUGH THE ELECTROLYSIS OF AN Aqueous SODIUM SULFATE ACID SOLUTION