配方类型：	MISCELLANEOUS
配方说明：	Silver Polish with Antitarnishing Agent (Liquid, Shake Type)
配方组成：	Bentonite/4.0 g Igepal CO 630/2.0 g Evangard 18MP or DTB/4.0 g Isopropanol/10 ml or 7.8 g Water/77.1 g Abrasive/4.0 g Igepal CO 530/1.0 g Methyl Paraben/0.1 g
配制方法：	The bentonite is added to 50 g of water and stirred for 5 h. To this add a mixture of the Evangard, Igepal CO 530, Igepal CO 630, and isopropanol. Stir well. The abrasive and the balance of the water are now added and mixed in a Waring blender (on laboratory scale).

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