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The volatile constituents analysis of Eremostachys macrophylla Montbr. & Auch. from Iran

D Nori-Shargh1, S M Kiaei, F Deyhimi

  • 1Graduate Faculty, Chemistry Department, Arak Branch, Islamic Azad University, Arak, Iran. nori_ir@yaoo.com

Natural Product Research
|July 10, 2007
PubMed

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Volatilization01:10

Volatilization

Volatilization gravimetry is an analytical technique that measures the mass lost due to the volatilization of the substance. This technique is used to estimate the amount of volatile material in a sample. To perform this method, heat a known amount of the sample to a high temperature in a crucible or other suitable vessel. The volatile substance in the sample evaporates, and the vapor is completely expelled from the crucible either by heating the sample or bubbling a stream of inert gas through...