Factory Supply High Quality CAS 631-61-8 Ammonium Acetate with Safety Delivery
Ammonium acetate (ammonium acetate) is used as analytical reagent, diuretic, buffer and in the printing and dyeing industry.
1. Purification of chymotrypsin, which is characterized in that the crude product of chymotrypsin (active ingredient less than 10%) is extracted with ammonium acetate solution at 5-15°C, precipitated with organic solvent ethanol, and finally dehydrated with acetone to obtain intermediate product of chymotrypsin .
2. Purify gonadotropin, which is characterized in that crude gonadotropin (active ingredient is less than 10%) is extracted with ammonium acetate solution at low temperature, precipitated with ethanol, and finally dehydrated with acetone to obtain purified gonadotropin.
Place of origin: Shanghai