| 高岭土中铝铁含量的连续测定 |
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| 引用本文： | 金绍祥. 高岭土中铝铁含量的连续测定[J]. 贵州化工, 2007, 32(5): 24-25 |
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| 作者姓名： | 金绍祥 |
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| 作者单位： | 贵州有色地质化验监测中心,贵州都匀,558004 |
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| 摘 要： | 以碱熔分解样品,采用HgNO3作滴定剂,KCNS作指示剂测定高岭土中铁,在滴定铁后的溶液中,以锌盐作滴定剂,5-Br-PADAP作指示剂测定高岭土中铝,实现了高岭土中铝铁含量的连续测定,RSD均小于3%,测定值与国标法测定值比较,结果吻合.
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| 关 键 词： | 高岭土 铝 铁 连续测定 滴定法 |
| 文章编号： | 1008-9411（2007）05-0024-02 |
| 收稿时间： | 2007-07-17 |
| 修稿时间： | 2007-07-17 |
Continuous determination of molecular ratio of Aluminum Ferric in Kaolin Soil |
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| Jin Shaoxiang. Continuous determination of molecular ratio of Aluminum Ferric in Kaolin Soil[J]. Guizhou Chemical Industry, 2007, 32(5): 24-25 |
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| Authors: | Jin Shaoxiang |
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| Abstract: | decomposition sample by alkali, use HgNO3 as titration agent, use KCNS to indicate of iron in kaolin, then, use Zinc Salt as titration agent, 5 - Br - PADAP as indicator of aluminum in kaolin, continuous determination of molecular ratio of Aluminum Ferric in Kaolin Soil is achieved, RSD are less than 3 %, the measured result match the values from the GB method measurement. |
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| Keywords: | kaolin Aluminum Iron Continuous determination Titrimetric method |
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