ammonia water

ATM is a white crystalline power,easily effloresce in air,Slightly soluble in water,Soluble in ammonia water and alkalies.

四钼酸铵为白色结晶性粉末，在空气易风化，微溶于，溶于碱和氨。

Be like a trace still not take out, can twist a cotton cloth after the dip in Wenshui dry, inunction of on drop a few ammonia water, use glazing candle polish finally.

如未去掉，可将块棉布在温后拧干，滴上几滴氨涂擦，最后使用上光蜡抛光。