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02022

铁虫 (小有名气)

[求助] ICP-MS测试结果是200 ppm,这个是什么意思,怎么换算,谢谢 已有1人参与

ICP-MS测试结果是129 ppm,这个是什么意思,怎么换算
我的目的是计算镍在催化剂中的质量百分数,我制样的过程是:称0.01g固体粉末,消解后在100mL容量瓶中定容,记为A溶液;然后取1mL A溶液再次在100mL容量瓶中定容,记为B溶液;
最后将B溶液送去测试,测试结果给的是Ni是129 ppm,那我怎么知道Ni在我的催化剂中的质量百分数是多少呢?
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genius48559

铜虫 (初入文坛)

我没算错的话 你固体在A溶液里的浓度也不过是100ppm 你还稀释了100倍去测的 Ni怎么能测出129ppm的。。2 取样溶解去0.01g 你们的分析天平精度是多少取这么少 准确吗
5楼2019-08-31 05:42:11
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123ding123

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2楼2019-08-29 11:52:54
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123ding123

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3楼2019-08-29 11:54:00
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