Sodium perborate (SPB) is one of the excellent bleaching agents. But it releases active oxygen only in high temperature washingliquor.
过硼酸钠(SPB)是一种良好的漂白剂，但需在较高温度下才能释放出活性氧。
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The utility model is well structured and can be used easily and healthily, especially suitable for women-used air raiser combined with soft washingliquor package.
Laboratory study on preparing potassium sulfate from the WashingLiquor of salt slurry is introduced. Its feasibility is described through the analysis to phase diagram and experiment.