Gas chromatography active ingredient control of aerosol insecticide from Algerian market
نویسندگان
چکیده
منابع مشابه
Characterization of biological active compounds from Verbascum phlomoides by chromatography techniques. I. Gas chromatography
The extracts, decoctions and infusions of Verbascum, commonly known as “mullein”, have been used in traditional medicines for centuries in almost all parts of the world. In this paper, a screening of two different extracts of Verbascum phlomoides flowers originating from the Southeast region of Romania is presented. The content of total phenolics and flavonoids from extracts were determined. Al...
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The chemical composition of essential oil extracted from Uncaria Hook ("Chotoko" in Japanese), the branch with curved hook of the herbal medicine Uncaria rhynchophylla has been investigated by GC and GC-MS analyses. Eighty-four compounds, representing 90.8% of the total content was identified in oil obtained from Uncaria Hook. The main components i were (E)-cinnamaldehyde (13.4%), α-copaene (8....
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Crystallization of active pharmaceutical ingredient (API) or pharmaceutical drug substances is a crucial unit operation. In this paper challenges and scientific progress over the last two decades in the areas of pharmaceutical crystallization thermodynamics, kinetics, polymorphism, process modeling, and process control were attempted. Effective utilization of such scientific knowledge for optim...
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15 صفحه اولDetermination of active ingredient in synthetic pyrethroid formulations by high-performance thin-layer chromatography/densitometry.
A new, simple, precise, and rapid high-performance thin-layer chromatography (HPTLC) method was developed for the analysis of commercial emulsifiable concentrate (EC) formulations of cypermethrin, alpha-cypermethrin, and lambda-cyhalothrin. A known amount of reference grade synthetic pyrethroid and its EC formulation was subjected to TLC, and the amount of pesticide present in the active ingred...
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ژورنال
عنوان ژورنال: Arabian Journal of Chemistry
سال: 2012
ISSN: 1878-5352
DOI: 10.1016/j.arabjc.2010.09.005