化学配方数据库
配方类型: METALS AND THEIR TREATMENT
配方说明: Removing Nickel Oxide Scale
配方组成:
配制方法: Prior to the sulfuric acid pickle, the scale may be loosened by immersion in a hot solution of 12 oz/gal each of potassium permanganate and caustic soda, or by a warm solution of 1 part muriatic acid and 2 parts water.

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