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strychnine/dichloromethane
Veza se sprema u međuspremnik
3 rezultatima
Determination of strychnine and brucine in rat plasma using liquid chromatography electrospray ionization mass spectrometry.
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Prijava Registriraj se
A simple, sensitive and selective liquid chromatography-electrospray mass spectrometric (LC-ESI-MS) method was developed and validated for simultaneous determination of strychnine and brucine in rat plasma, using tacrine as the internal standard (IS). Sample preparation involved a liquid-liquid
[HPLC determination of strychnine and brucine in Semen Strychni and its processed products].
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Prijava Registriraj se
OBJECTIVE
This paper reports a HPLC method for determinition of strychnine and brucine in Semen Strychni and its processed products of Jiangxi method and innovated methed.
METHODS
SiO2 was used as the stationary phase, n-hexane-dichloromethane-methanol-ammonia(47.5:47.5:5:0.35) as the mobile phase,
Preparative separation and purification of two highly polar alkaloids derived from Semen Strychni extracted with dichloromethane by high-speed countercurrent chromatography.
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Prijava Registriraj se
Brucine chloromethochloride and strychnine chloromethochloride, the two chloromethochloride derivatives formed during the extraction of Semen Strychni in which dichloromethane was used as the extracting solvent, were isolated and purified by high-speed countercurrent chromatography for the first
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