配方类型:

MISCELLANEOUS

配方说明:

Stable Starch Indicator

配方组成:

配制方法:

Mix 50 ml. of glycerol and 50 ml. of distilled water and bring to a boil. Add a mixture of 1 g. of soluble starch with 2 to 3 ml. of water, stir, and continue the boiling for 3 minutes. Cool to room temperature and use or store.