提出了以膨润土为原料制取水玻璃和铵明矾的新方法，研究了主要工序的最佳工艺条件。
A new method is presented for preparation of water glass and aluminium ammonium sulfate from bentonite. The optimum operating conditions of its main processes are studied.
蓝宝石水晶玻璃的主要原料是一种经过洗涤后除去了所有异物的盐(氨明矾)。
To make a sapphire crystal, the basic material used is a salt cleansed from any foreign body (ammoniacal alum).
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