Concentration analysis of mixed trialkylphosphinyl
Title：
Concentration analysis of mixed trialkylphosphinyl
Application Number：
 200510012112
Application Date：
 2005/07/08
Announcement Date：
 2005/12/28
Pub. Date：
 2007/08/22
Publication Number：
 1712958
Announcement Number：
 1333251
Grant Date：
 2007-8-22
Granted Pub. Date：
 2007-8-22
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 G01N 31/16, G01N 1/34
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Liang Junfu, Liu Xuegang, Sun Xiangfei
Key Words：
 mixed, trialkylphosphinyl, concentration analysis
Abstract：
 A method for analyzing concentration of TRPO includes using known TRPO concentration to extract nitric acid of standard concentration to have organic phase containing TRPO and nitric acid extraction - balanced, using acid - base titration method to analyzing concentration of the two and plotting standard curve of the two, using organic sample to extract nitric acid used as above for achieving extraction balance, utilizing acid - base titration method to analyze nitric acid concentration in organic phase for obtaining TRPO concentration from said standard curve .
Claim：
Priority：
PCT：
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  Selected patents owned by Tsinghua University filed in 2005 are loaded.
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