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翯翯清秋

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[求助] 电子级, 99.99% metals basis和光谱级的试剂哪种重金属的含量更少一些?

各位虫友,向大家请教一个问题。
我在做光谱分析的时候前处理中用到的试剂因为重金属含量过高,对我的实验结果影响很大,
需要更换试剂,
请问电子级, 99.99% metals basis和光谱级这两种试剂规格哪种含有的重金属含量更少一点
对于重金属光谱分析来说干扰更小?
不胜感激!不胜感激!
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