Previously described ion-selective membrane electrodes useful for determination of total carbon dioxide in biological fluids in automated analyzers show interference from several sources--e.g., fatty acids, keto acids, salicylate, heparin. Judicious selection of membrane components has produced a membrane with superior
Journal of chromatography. A, 1614, 460705-460705 (2019-11-23)
An update for ASTM D2425, "Standard Test Method for Hydrocarbon Types in Middle Distillates by Mass Spectrometry," was recently released to expand its scope by adding modern mass spectrometric instrumentation and a new sample type, synthesized hydrocarbons. While the method
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