发明名称 |
METHOD OF ISOLATION OF THE WATER SOLUTIONS COMPONENTS |
摘要 |
1467599 Chromatographic concentration MERCK PATENT GmbH 27 Feb 1975 [2 March 1974] 822875 Heading B1H [Also in Divisions Cl and G1] Components present in aqueous solution, for example drugs or drug metabolites in body fluids are isolated for analysis by adsorption of the components on a concentration agent comprising silica gel and/or Kieselguhr and subsequent extraction of the components with a lipophilic solvent, the concentration agent being a flowable silica gel and/or kieselguhr with an average particle size of 0.05 to 1.0 mm, and average pore volume of 0.2 to 3 ml/g and a specific surface of 0.2 to 50 m<SP>2</SP>/g. The concentration agent may be used as a column packing in a glass or synthetic resin column length 5 to 20 cm, diameter 1 to 3 cm, the packing being retained by wadding or polypropylene mesh. The column may be a syringe barrel. Alternatively the packing may be in pillow- or sphere-shaped bags. |
申请公布号 |
CS197244(B2) |
申请公布日期 |
1980.04.30 |
申请号 |
CS19750001052 |
申请日期 |
1975.02.18 |
申请人 |
MERCK PATENT GMBH.,DE |
发明人 |
BREITER,JOACHIM,DE;HELGER,ROLAND,DE |
分类号 |
B01D11/04;B01D15/00;B01D15/02;B01D15/08;B01J20/10;B01J20/14;B01J20/281;B01J20/283;G01N1/34;G01N25/14;G01N30/00;G01N30/88;G01N33/18;G01N33/48;G01N33/50;G01N33/94;(IPC1-7):B01D15/02 |
主分类号 |
B01D11/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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