| 发明名称 |
METHOD OF DETERMINING AROMATIC HYDROXY DERIVATIVE ESTERS |
| 摘要 |
FIELD: analytical methods. SUBSTANCE: sample is treated with solution of potassium nitrate in concentrated sulfuric acid at 100 C. Reaction mixture is diluted with water, alkalized with sodium hydroxide solution to pH 2, treated with rhodamine G, reaction product is extracted with toluene, and toluene solution is photometrically analyzed. EFFECT: increased sensitivity and accuracy of determination. 3 tbl, 2 ex
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| 申请公布号 |
RU2142125(C1) |
申请公布日期 |
1999.11.27 |
| 申请号 |
RU19970117482 |
申请日期 |
1997.10.21 |
| 申请人 |
SHORMANOV VLADIMIR KAMBULATOVICH |
发明人 |
SHORMANOV V.K.;FURSOVA I.A.;AKILONOVA N.N.;MARKELOV M.JU.;DURITSYN E.P.;VANINA M.D.;RUDSKAJA V.I.;SAFONOVA I.A. |
| 分类号 |
G01N21/78;(IPC1-7):G01N21/78 |
主分类号 |
G01N21/78 |
| 代理机构 |
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