关于XPS 的表征问题?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 acidgroups were about 2.17 and 0.14 mmol g?1 (calculated using the W atomic ratio), respectively我想知道从W的原子比例3.21%,怎样计算 磷钨酸 的量0.14 mmol g?1 。查看更多6个回答 . 3人已关注