回复hao80080发表于：2020/8/23 15:09:03悬赏金额：
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有个问题想请教下：
下面这句话是什么意思？计算后氯离子是多少含量呢？
Chloride : Weigh 0.1 g of Sodium Carboxymethylcellulose, add 20 ml of water and 0.5 ml of hydrogen peroxide,
and heat in a water bath 30 minutes. Cool. add water to make 100 ml, and filter through a dry filter paper.
measure exactly 25 ml of the filtrate as the test solution. Test for chloride,
content should not be more than the amount that corresponds to 0.45 ml of 0.01 N sulfuric acid.
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