应用CO2处理分析再造烟叶中的碳酸钙
TS411.1; 为消除磷酸钙对再造烟叶中碳酸钙测定的干扰,准确测定碳酸钙的质量百分数,用CO2与碳酸钙反应生成可溶的碳酸氢钙,再采用离子色谱法测定CO2反应前后Ca2+质量浓度的变化,进而分析碳酸钙的质量百分数.验证了方法的可行性,考察了方法的重复性、回收率、检测限和定量限,并测定了不同再造烟叶样品中碳酸钙的质量百分数.结果表明:①比较3种不同的前处理方法,应用CO2处理可以实现碳酸钙与磷酸钙的分离,准确测定再造烟叶中碳酸钙的质量百分数.②该方法的重复性较好、回收率较高,重复测定5次的相对标准偏差(RSD)为2.69％,回收率介于95％～102％之间;方法的检测限为0.12％,定量限为0.3...
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| Published in | 烟草科技 Vol. 57; no. 1; pp. 31 - 37 |
|---|---|
| Main Authors | , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
江苏中烟工业有限责任公司,南京市建邺区兴隆大街29号 210019%江苏鑫源烟草薄片有限公司,江苏省淮安市清江浦区浦发大道66号 223002
2024
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-0861 |
| DOI | 10.16135/j.issn1002-0861.2023.0621 |
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| Abstract | TS411.1; 为消除磷酸钙对再造烟叶中碳酸钙测定的干扰,准确测定碳酸钙的质量百分数,用CO2与碳酸钙反应生成可溶的碳酸氢钙,再采用离子色谱法测定CO2反应前后Ca2+质量浓度的变化,进而分析碳酸钙的质量百分数.验证了方法的可行性,考察了方法的重复性、回收率、检测限和定量限,并测定了不同再造烟叶样品中碳酸钙的质量百分数.结果表明:①比较3种不同的前处理方法,应用CO2处理可以实现碳酸钙与磷酸钙的分离,准确测定再造烟叶中碳酸钙的质量百分数.②该方法的重复性较好、回收率较高,重复测定5次的相对标准偏差(RSD)为2.69％,回收率介于95％～102％之间;方法的检测限为0.12％,定量限为0.39％o③不同再造烟叶样品中碳酸钙的质量百分数差异较大,所测5种样品中碳酸钙的质量百分数介于2％～4％之间.综上,该方法方便、快捷,适用于再造烟叶以及复杂钙盐体系中碳酸钙质量百分数的准确测定. |
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| AbstractList | TS411.1; 为消除磷酸钙对再造烟叶中碳酸钙测定的干扰,准确测定碳酸钙的质量百分数,用CO2与碳酸钙反应生成可溶的碳酸氢钙,再采用离子色谱法测定CO2反应前后Ca2+质量浓度的变化,进而分析碳酸钙的质量百分数.验证了方法的可行性,考察了方法的重复性、回收率、检测限和定量限,并测定了不同再造烟叶样品中碳酸钙的质量百分数.结果表明:①比较3种不同的前处理方法,应用CO2处理可以实现碳酸钙与磷酸钙的分离,准确测定再造烟叶中碳酸钙的质量百分数.②该方法的重复性较好、回收率较高,重复测定5次的相对标准偏差(RSD)为2.69％,回收率介于95％～102％之间;方法的检测限为0.12％,定量限为0.39％o③不同再造烟叶样品中碳酸钙的质量百分数差异较大,所测5种样品中碳酸钙的质量百分数介于2％～4％之间.综上,该方法方便、快捷,适用于再造烟叶以及复杂钙盐体系中碳酸钙质量百分数的准确测定. |
| Abstract_FL | To eliminate the interference of calcium phosphate on the determination of calcium carbonate in reconstituted tobacco and to develop an accurate method for determining the mass percentage of calcium carbonate,CO2 was applied to react with calcium carbonate in reconstituted tobacco samples to form water-soluble calcium bicarbonate.Following the treatment,the variation of calcium ion concentration after CO2 treatment was determined by ion chromatography to analyze the mass percentage of calcium carbonate.The feasibility of the method was verified based on the repeatability,recovery,limit of detection(LOD),and limit of quantification(LOQ).The results showed that:1)Calcium carbonate could be separated from calcium phosphate by CO2 treatment,and the mass percentage of calcium carbonate in the reconstituted tobacco samples could be accurately determined using three different pretreatment methods.2)This method showed better repeatability and recovery with a relative standard deviation(RSD,n=5)of 2.69％and recoveries in the range of 95％-102％.The LOD and LOQ were 0.12％and 0.39％,respectively.3)The variation of the mass percentage of calcium carbonate in different reconstituted tobacco samples was large and varied from 2％to 4％in five reconstituted tobacco samples.In conclusion,this method was convenient,rapid,and suitable for accurate determination of the mass percentage of calcium carbonate in reconstituted tobacco and other complex calcium salt reconstituted tobacco systems. |
| Author | 朱怀远 秦艳华 沈晓晨 张合川 袁广翔 王瑞 王珂清 |
| AuthorAffiliation | 江苏中烟工业有限责任公司,南京市建邺区兴隆大街29号 210019%江苏鑫源烟草薄片有限公司,江苏省淮安市清江浦区浦发大道66号 223002 |
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| Author_FL | WANG Rui QIN Yanhua SHEN Xiaochen WANG Keqing ZHANG Hechuan ZHU Huaiyuan YUAN Guangxiang |
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| Author_xml | – sequence: 1 fullname: 王珂清 – sequence: 2 fullname: 秦艳华 – sequence: 3 fullname: 王瑞 – sequence: 4 fullname: 张合川 – sequence: 5 fullname: 袁广翔 – sequence: 6 fullname: 朱怀远 – sequence: 7 fullname: 沈晓晨 |
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| ClassificationCodes | TS411.1 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| Keywords | 磷酸钙 碳酸钙 离子色谱法 Carbon dioxide Calcium phosphate 碳酸氢钙 Reconstituted tobacco Ion chromatography Mass percentage 质量百分数 再造烟叶 Calcium carbonate 二氧化碳(CO2) Calcium bicarbonate |
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| Snippet | TS411.1; 为消除磷酸钙对再造烟叶中碳酸钙测定的干扰,准确测定碳酸钙的质量百分数,用CO2与碳酸钙反应生成可溶的碳酸氢钙,再采用离子色谱法测定CO2反应前后Ca2+质量浓度的... |
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| Title | 应用CO2处理分析再造烟叶中的碳酸钙 |
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