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李立新

新虫 (初入文坛)

[求助] 硅钼蓝法

各位大侠,我在用硅钼蓝法测硅时,在做标准曲线的过程中为什么发现吸光度特别不稳定?而且如果静止到最后7个点的吸光度会都一样,我做了7个点。每个点含硅量从0到1.0,用的钼酸铵,还原剂为抗坏血酸。请各位高手指点一下为什么?怎么做回比较稳定啊?急用。谢了。
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