发明授权
US3630674A Bleaching of alkali metal hydroxide solutions 失效
碱性金属氢氧化物溶液的漂白

Bleaching of alkali metal hydroxide solutions
摘要:
Consistent color removal from aqueous alkali metal hydroxide solutions is obtained by prebleaching such solutions with a chlorine bleaching agent, and then afterbleaching the product with hydrogen peroxide.
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