hemihydrated

The result of the test indicated that the aluminium sulfate and the sodium tartrate potassium bond was advantageous to prepare the short columnar alpha-hemihydrated gypsum crystal.

试验结果明,添加硫酸铝与酒石酸钠钾复合转晶剂,对制备短柱α型半水石膏晶体有利;