A sample injection valve for use in high-pressure liquid chromatography
โ Scribed by Charles D. Scott; Wayne F. Johnson; Vernon E. Walker
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- English
- Weight
- 374 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0003-2697
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๐ SIMILAR VOLUMES
Direct injection versus liquid-liquid extraction for post-dose human plasma sample analysis by high performance liquid chromatography with tandem mass spectrometry (LC/MS/MS) have been studied using a drug candidate compound. For the direct-injection method, an Oasis 1 HLB column (1 ร 50 mm, 30 mm)
## Abstract A sequential injectionโbead injectionโlabโonโvalve system was hyphenated to HPLC for online renewable microโsolidโphase extraction of carbamate insecticides. The carbamates studied were isoprocarb, methomyl, carbaryl, carbofuran, methiocarb, promecarb, and propoxur. LiChroprep^ยฎ^ RPโ18