pH after sterilization: 7.9± 0.1

用法：

Suspend 17.5g/liter, heat up and milling to dissolve,dispense in conical flask,autoclave at 121 ℃ for 15min.

称取本品17.5g，加热溶解于1000ml纯化水中，分装，121℃高压灭菌15分钟，备用。