FIELD: organic chemistry. SUBSTANCE: acetic acid is used as reagent 1, technical oxide of cobalt (II) is used as reagent 2. Reaction is carried out by heating, mass ratio of reagent 1 and reagent 2 being (1.95-1.95):1. The process takes place in the presence of hydroxide of Co(III) and oxide of Co (II). Yield of desired product having essential formula C4H6O4 is 95-96 content of main substance in it being 99.7-100 EFFECT: improves efficiency of the method. 1 tbl
Title | Year | Author | Number |
---|---|---|---|
METHOD OF REWORKING OF FERROUS CAKE | 2003 |
|
RU2233894C1 |
METHOD FOR PREPARING ISOPHTHALIC ACID OF HIGH PURITY DEGREE | 2004 |
|
RU2266277C2 |
PROCEDURE FOR COMPLEX PROCESSING NICKEL-COBALT RAW MATERIAL | 2009 |
|
RU2393251C1 |
PROCESSING METHOD OF COBALT-CONTAINING WASTES | 2012 |
|
RU2489509C1 |
METHOD FOR EXTRACTION OF COBALT | 1997 |
|
RU2095451C1 |
METHOD OF PRODUCTION OF COBALTOUS SULFATE | 1998 |
|
RU2138446C1 |
METHOD OF SYNTHESIS OF 2,5-BIPHENYLDICARBOXYLIC ACID | 1994 |
|
RU2078100C1 |
METHOD OF PRODUCING COBALT (III) SALT | 1992 |
|
RU2046099C1 |
METHOD OF PREPARING COBALT /II/ SULFATE | 1998 |
|
RU2141452C1 |
PROCESS OF SYNTHESIS OF ACTIVE CATHODE MATERIAL | 2001 |
|
RU2199798C2 |
Authors
Dates
1995-08-27—Published
1990-04-09—Filed