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- [3] COMPARISON OF SOLID-PHASE EXTRACTION AND LIQUID-LIQUID-EXTRACTION METHODS FOR LIQUID-CHROMATOGRAPHIC DETERMINATION OF DILTIAZEM AND ITS METABOLITES IN PLASMA [J]. JOURNAL OF LIQUID CHROMATOGRAPHY, 1990, 13 (19): : 3799 - 3807
- [5] SOLID-PHASE EXTRACTION OF PRIMARY AROMATIC-AMINES FROM AQUEOUS SAMPLES - COMPARISON WITH LIQUID-LIQUID-EXTRACTION TECHNIQUES [J]. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-ENVIRONMENTAL SCIENCE AND ENGINEERING & TOXIC AND HAZARDOUS SUBSTANCE CONTROL, 1994, 29 (08): : 1607 - 1628
- [6] SOLID-PHASE EXTRACTION (SPE) OF BLOOD UREA COMPARED WITH LIQUID-LIQUID-EXTRACTION REGARDING ARTIFACT FORMATION [J]. JOURNAL OF LIQUID CHROMATOGRAPHY, 1995, 18 (11): : 2167 - 2174
- [7] EXTENSION OF EPA METHOD 525.1, TO 507, 508 AND 515.1 PESTICIDES BY DISK EXTRACTION AND ION TRAP ANALYSIS [J]. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1992, 203 : 102 - ENVR
- [10] OPTIMIZATION OF SOLID-PHASE EXTRACTION FOR EPA METHOD-506 [J]. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1992, 203 : 104 - ENVR