نتایج جستجو برای: hptlc densitometry

تعداد نتایج: 4132  

Journal: :Journal of Liquid Chromatography & Related Technologies 2021

This work is a review on HPTLC contribution to lipid analysis in complex matrices, the period from 2010 now, lapse of time where hyphenation with other techniques, especially Mass Spectrometry, has experienced an important growth. Scanning densitometry (SD)-UV/FL separated lipids, as core detection and centerpiece for hyphenation, its coupling MS using soft ionization techniques (ESI, APCI, MAL...

A simple, accurate and rapid high performance thin layer chromatography (HPTLC)-densitometric method was developed for separation and determination of cetirizine (CET) as a long acting antihistamine and montelukast (MON) as an antileukotriene in pharmaceutical dosage forms. The compounds were separated on silica gel 60 F254 HPTLC plates using a mixture of ethyl acetate : methanol : ammonia solu...

A simple, accurate and rapid high performance thin layer chromatography (HPTLC)-densitometric method was developed for separation and determination of cetirizine (CET) as a long acting antihistamine and montelukast (MON) as an antileukotriene in pharmaceutical dosage forms. The compounds were separated on silica gel 60 F254 HPTLC plates using a mixture of ethyl acetate : methanol : ammonia solu...

Journal: :Journal of pharmaceutical and biomedical analysis 1992
P Poukens-Renwart M Tits J N Wauters L Angenot

In traditional medicines of Europe, thé water extract of Filipendula ulmaria (L.) Maxim. (Rosaceae) flowers has been used as antiinflammatory, analgésie and diuretic (1) and thé compounds of this plant are known to be flavonoids tannins and salicylic acid derivatives (2). Spiraeoside (quercetin-4 glucoside) is thé major and characteristic flavonoid of Filipendula ulmaria flowers and, for this r...

Journal: :Journal of AOAC International 2009
Wolfgang Schwack Tatjana Zeisler Constanze Stiefel

Dialkyl phosphates (DAP) are common degradation products of organophosphorus pesticides that are used as urinary biomarkers for human exposure. An HPTLC method was developed for the quantitative determination of DAP in fruit juices, i.e., dimethyl phosphate (DMP), dimethyl thiophosphate (DMTP), diethyl phosphate (DEP), and diethyl thiophosphate (DETP). Dibutyl phosphate (DBP) was used as an int...

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