FIELD: superconducting materials. SUBSTANCE: synthesized superconducting material is treated with water or organic solution of acid with total formula CnH2n+1COOH ( with n = 1 - 4 ) during 1 - 90 minutes with following ratio of ingredients in mixture, mass %: product 0.75 - 20; solvent 20 - 98; acid 0.2 - 65. Then solution is removed, product is washed by inert in respect to it solvent (acetone or low-atomic alcohol) and dried. Methanol, ethanol, acetone or water are used as solvent. EFFECT: increased quality of product due to decrease of ingredients phases share. 2 cl, 1 tbl
| Title | Year | Author | Number | 
|---|---|---|---|
| PROCESS OF MANUFACTURE OF HIGH-TEMPERATURE SUPERCONDUCTING COATS | 1992 | 
 | RU2039383C1 | 
| HIGH TEMPERATURE SUPERCONDUCTOR PRODUCTION METHOD | 0 | 
 | SU1836730A3 | 
| NON-DUSTING CROSS-LINKING AGENT FOR CAST URETHANE ELASTOMERS AND PROCESS FOR PREPARING SAID AGENT | 1991 | 
 | RU2024492C1 | 
| METHOD FOR PREPARATION OF SILVER HALIDE PHOTOEMULSION SPECTER SENSITIZER COMPOSITIONS | 1989 | 
 | SU1729224A3 | 
| METHOD OF PRODUCING ANTIWEAR ADDITIVE FOR JET FUEL AND ANTIWEAR ADDITIVE FOR JET FUEL | 2023 | 
 | RU2836300C1 | 
| METHOD OF PRODUCING NANOCOMPOSITE SORPTION MATERIAL BASED ON GRAPHENE AND IRON OXIDE NANOPARTICLES | 2019 | 
 | RU2725822C1 | 
| PEROXIDE CETANE-ENHANCING ADDITIVE FOR DIESEL FUEL AND METHOD OF ITS PRODUCTION | 2022 | 
 | RU2800120C1 | 
| DETERGENT | 1992 | 
 | RU2035498C1 | 
| PROCESS FOR PREPARATION HUMIC PLANT GROWTH STIMULANT | 1990 | 
 | RU2008312C1 | 
| METHOD OF PHASE ANALYSIS OF SOLID SUBSTANCES | 1990 | 
 | RU2056635C1 | 
Authors
Dates
1995-04-30—Published
1991-06-10—Filed