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硅锑钼蓝光度法测定分子筛中的硅 被引量:1

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摘要 在pH0.8~1.5、HCl-C2H5OH-CH3COCH3-H2O体系中,Si(Ⅳ)、Sb(Ⅲ)、Mo(Ⅵ)形成三元杂多酸,用抗坏血酸还原三元杂多酸形成杂多蓝。方法的表观摩尔吸光系数ε780nm=1.67×104L/molcm,硅量在0~1.2μg/mL范围内符合比尔定律。本法用于分子筛中硅的测定,获得了令人满意的结果。
机构地区 吉林大学化学系
出处 《湿法冶金》 CAS 1998年第4期56-58,共3页 Hydrometallurgy of China
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