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| Phosphoric acid by wet process was dissolved,with trie thanolamine to mask iron and aluminum and pH was adjusted to 0.～.Comp lex from chromo trope R and magnesium was formed,which had the maxium absorptio n at 70 nm,with ε. ×0~ (L/mol·cm). |
中文意思：
湿法磷酸试样经溶样后 ,在三乙醇胺存在下 ,铁、铝被掩蔽 ,在 pH 0 .～ 条件下 ,铬变酸 R与镁生成棕红色配合物 ,其最大吸收波长为 70nm ,ε=. × 0 L/ (mol.cm)。 |
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