It s very simple and easy using the method of saturated solution to control and determinate the critical relative humidity of zine gluconate.CRH of zinc gluconate is 94.2% by the method.

• 饱和溶液法测定葡萄糖酸锌的临界相对湿度(CRH)简单易行；容易控制湿度；测得的葡萄糖酸锌的CRH为94.；2%25。