Results 91 to 100 of about 181,345 (233)

Supercritical fluid extraction and chromatographic analysis (HRGC-FID and HRGC-MS) of Lupinus spp. alkaloids

open access: yesJournal of the Brazilian Chemical Society, 2000
The alkaloid extracts from Lupinus spp., obtained by conventional methods (maceration/sonication - solid phase extraction; maceration/sonication - liquid-liquid extraction) and SFE (supercritical fluid extraction) using CO2 and modified CO2 (CO2/MeOH ...
Nossack Ana C.   +3 more
doaj  

General methods for the analysis of metabolic profiles of bile acids and related compounds in feces.

open access: yesJournal of Lipid Research, 1983
A general method is described for the detailed qualitative and quantitative analysis of bile acids and related compounds from feces. The technique utilizes a novel combination of liquid-gel and liquid-solid extraction, lipophilic ion exchange ...
K D Setchell   +3 more
doaj  

Gas-Liquid Chromatography

open access: yesJournal of Pharmacy and Pharmacology, 1956
openaire   +2 more sources

Gas Liquid Chromatography of Steroids of Ch'an Su

open access: bronze, 1964
Ken-nosuke Sakurai   +2 more
openalex   +2 more sources

Determination of four amide compounds in urine by liquid-liquid extraction gas chromatography

open access: yesZhiye weisheng yu yingji jiuyuan, 2023
ZHANG Jing
doaj   +1 more source

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