azeotropism

azeotropism

1. Improving the rate of return on sodium salt azeotropism crystallization by means of improving equipment

改进设备提高青霉素钠盐共沸结晶收率

2. Used as a component of solvents in the process of the azeotropism, and could partly replace toluene, xylene and methyl isobutyl ketone (MIBK).

由于它适度的挥发性和良好的皮肤渗透作用，可以用作药物吸收的促进组分；

3. The high quality of the product with recovery of 82% was obtained by cancelling azeotropism of dimethyl carbonate and methanol.

确定了通过破坏碳酸二甲酯和甲醇的共沸现象而得到高质量的碳酸二甲酯，回收率达82%。

4. Keywords Penicillin;azeotropism;crystallization;rate of return;

青霉素;共沸;结晶;收率;