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[求助]
求助XPS的定量问题
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Note that the element atomic contents of N and W in GOAP were 4.27% and 3.21%, respectively. That is, the densities of the introduced amine and phosphotungstic acid groups were about 2.17 and 0.14 mmol g−1 (calculated using the W atomic ratio), respectively 求助怎样从3.21%得到0.14mmol/g,大体的方法是什么? |
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