Results: With prolonging the working time and increasing the table salt concentration, the available chlorine content increased gradually.
结果，随工作时间的延长和食盐浓度的增加，有效氯的含量逐渐增加。
The research analysed the chemical content of several gourmet brands of sea and rock salt, and compared this with ordinary table salt.
研究分析了几种高级品牌的海盐和盐岩的的化学成分，并和普通食盐进行了对比。
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