| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: disclosed method is realised by dissolving commercial grade vancomycin hydrochloride in water, ultrafiltration of the solution with a membrane having norminal retention lower than 30000 Da, preferably of 10000 Da. The purified solution is preferably concentrated via reverse osmosis and then lyophilised at optimum pressure and temperature to obtain white powder. ^ EFFECT: method enables to obtain white powder which remains white after storage for a certain period of time. ^ 5 cl, 3 ex |
