发明名称 PROCEDEU DE OBTINERE A SULFATULUI DE HIDROXILAMINA DE PURITATE AVANSATA
摘要 The process comprises oximation with ketone, and solvent extraction. The oxime undergoes hydrolysis, with crystallisation of the salt, purification by recrystallisation, and drying. The salts are produced with minimum 98 per cent purity, from dilute and impure solutions.
申请公布号 RO95695(A2) 申请公布日期 1988.10.30
申请号 RO19860123953 申请日期 1986.07.01
申请人 CT CERC FIBRE CHIM 发明人 TELEMBICI ILEANA,RO;VASILIU MIHAI,RO;PAVALEANU ZAMFIRA,RO;TOC VALER,RO
分类号 C01B21/14;(IPC1-7):C01B21/14 主分类号 C01B21/14
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