| 面粉及面制品中滑石粉、石膏、碳酸钙含量的测定 |
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| 引用本文： | 薛笑莉,周激.面粉及面制品中滑石粉、石膏、碳酸钙含量的测定[J].山西化工,2003,23(2):33-34,61. |
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| 作者姓名： | 薛笑莉 周激 |
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| 作者单位： | 华北工学院分院化工系,山西,太原,030008 |
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| 摘 要： | 对原料进行预处理后，用络合滴定法测定Ca^2 、Mg^2 的含量，用BaSO4重量法测SO4^2-，用过滤后的滤渣测定SiO2的质量，从而换算出滑石粉、石膏、碳酸钙的含量。该法测定准确、快速、精密度高。
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| 关 键 词： | 面粉 面制品 滑石粉 石膏 碳酸钙 测定 |
| 文章编号： | 1004-7050(2003)02-0033-02 |
Determination of the Contents of Talcum Powder ,Gypsum and Calcium Carbonate in the Wheat Flour and Wheat Flour Products |
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| XUE Xiao li,ZHOU Ji.Determination of the Contents of Talcum Powder ,Gypsum and Calcium Carbonate in the Wheat Flour and Wheat Flour Products[J].Shanxi Chemical Industry,2003,23(2):33-34,61. |
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| Authors: | XUE Xiao li ZHOU Ji |
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| Abstract: | Wheat flour or and its products were processed to change into solution.The contents of Ca 2+ and Mg 2+ were determined by complex metric titration,while SO 2- 4 was determined by gravimetric analysis of filter cake.Thus,the contents of talcum powder,gypsum and calcium carbonate can be calculated. |
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| Keywords: | wheat flour talcum powder gypsum calcium carbonate determine |
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