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酱油中食盐、无盐固形物的检验

2014-09-11 16:24:35| 分类：食品检验 | 标签： |举报 |字号大中小订阅

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酱油中食盐、无盐固形物的检验

1、取5.0毫升酱油样品，定容200毫升。

2、吸取2.0毫升稀释样，于250毫升的三角瓶中，加水100毫升，加铬酸钾1毫升。

3、用0.1摩尔浓度的硝酸银标准溶液滴定至初见橘红色，同时，做空白试验。

4、计算：X1＝（V-V0）×C×0.0585÷(2×5÷100) ×100

5、铬酸钾的配制：5克定容100毫升。

6、酱油中无盐固形物检验：总固形物-食盐

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