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Determination of Uranium in Ore with Volumetry of H2SO4-TICL3-NH4VO3

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成果类型:
期刊论文、会议论文
作者:
Yang, Jin-hui*;Dai, Shi-liang;Pan, Xiao-kang;Liu, Li;Zhou, Shu-kui;...
通讯作者:
Yang, Jin-hui
作者机构:
[Liu, Li; Pan, Xiao-kang; Zhou, Shu-kui; Dai, Shi-liang; Yang, Jin-hui; Wang, Jin-song] Univ South China, Sch Urban Construct, Hengyang 421001, Peoples R China.
通讯机构:
[Yang, Jin-hui] U
Univ South China, Sch Urban Construct, Hengyang 421001, Peoples R China.
语种:
英文
关键词:
H2SO4;Uranium;Volumetry
期刊:
SENSORS, MECHATRONICS AND AUTOMATION
ISSN:
1662-7482
年:
2014
卷:
511-512
页码:
12-16
会议名称:
International Conference on Sensors, Mechatronics and Automation (ICSMA)
会议论文集名称:
Applied Mechanics and Materials
会议时间:
DEC 24-25, 2013
会议地点:
Shenzhen, PEOPLES R CHINA
会议主办单位:
[Yang, Jin-hui;Dai, Shi-liang;Pan, Xiao-kang;Liu, Li;Zhou, Shu-kui;Wang, Jin-song] Univ South China, Sch Urban Construct, Hengyang 421001, Peoples R China.
主编:
Choi, SB Yarlagadda, P AbdullahAlWadud, M
出版地:
LAUBLSRUTISTR 24, CH-8717 STAFA-ZURICH, SWITZERLAND
出版者:
TRANS TECH PUBLICATIONS LTD
ISBN:
978-3-03835-017-0
机构署名:
本校为第一且通讯机构
院系归属:
土木工程学院
摘要:
T he uranium ore sample is dissolve with H2SO4, HF and H2O2. Uranium (VI) is reduced to uranium (IV) by titanous. The excess titanous is oxidized with sodium nitrite and excess sodium nitrite is destroyed with urea. Uranium can be determined by ammonium vanadate volumetry in the medium of 6 mol/L sulfuric acid taking o-phenanthroline ferrous sulfate as indicators. The determination limit is 0.03%, the RSD is better than 3%, the recovery is 95 similar to 105%. The error is le...

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