isobutanol/dichloromethane

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NakalaMajaribio ya klinikiHati miliki

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3 matokeo

Quantification of endogenous aliphatic alcohols in serum and urine.

Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala

Ingia / Ingia

The endogenous aliphatic alcohols ethanol, n-propanol, n-butanol, isobutanol and isopentanol in serum and urine were measured by gas chromatography-mass fragmentography. Whereas for the higher-molecular-weight alcohols extraction with dichloromethane is used, ethanol is determined by direct

[Determination of residual solvents in 7-amino-3-chloro cephalosporanic acid by gas chromatography].

Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala

Ingia / Ingia

OBJECTIVE To develop a gas chromatography method for determination of residual solvents in 7-amino-3-chloro cephalosporanic acid (7-ACCA). METHODS The residual levels of acetone, methanol, dichloromethane, ethyl acetate, isobutanol, pyridine and toluene in 7-ACCA were measured by gas chromatography

Volatile chemicals identified in extracts from newly hybrid citrus, dekopon (Shiranuhi mandarin Suppl. J.).

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Ingia / Ingia

Extracts from the peel and flesh of a citrus fruit, dekopon (Shiranuhi mandarin Suppl. J.), were obtained under reduced pressure followed by dichloromethane extraction. A total of 127 volatile chemicals were identified in the extracts using gas chromatography (GC) and gas chromatography-mass

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Herbal & Natural Medicine

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