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离子色谱法测定脱硫石膏粉中硫酸钙含量
黎涛; 于亮; 宋文吉; 张建军; 冯自平
2014
Source Publication理化检验b化学分册
ISSN1001-4020
Volume50Issue:1Pages:89
Abstract用离子色谱法测定了脱硫石膏粉中硫酸根的含量,并以此换算成硫酸钙的质量分数。 样品(0. 050 0 g)溶于盐酸(1+1)溶液0.5 mL中,于容量瓶中定容为100 mL,静置24 h后定量移取部分上清液稀释25倍。分取20μL进样作离子色谱分析。样液经过Metrosep A SUPP1柱净化,流出液通过Metrosep A SUPP5阴离子交换柱,以含1.8 mmol?L~(-1)碳酸钠溶液和1.7mmol?L~(-1)碳酸氢钠溶液的混合溶液为流动相进行淋洗,采用抑制电导检测。以实际样品为基体在2个浓度水平上加入硫酸根标准溶液进行回收试验,测得回收率大于95%。对同一样品作8次测定,测定值的相对标准偏差小于1%。
Language英语
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/20419
Collection中国科学院广州能源研究所
Affiliation中国科学院广州能源研究所
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
黎涛,于亮,宋文吉,等. 离子色谱法测定脱硫石膏粉中硫酸钙含量[J]. 理化检验b化学分册,2014,50(1):89.
APA 黎涛,于亮,宋文吉,张建军,&冯自平.(2014).离子色谱法测定脱硫石膏粉中硫酸钙含量.理化检验b化学分册,50(1),89.
MLA 黎涛,et al."离子色谱法测定脱硫石膏粉中硫酸钙含量".理化检验b化学分册 50.1(2014):89.
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