β Scribed by V. P. Vyskrebentsev; V. A. Dyadyunov; L. V. Pavlov; N. N. Pilipenko; Yu. I. Arutyunov; A. P. Grishin
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
Aromatic solvents are involved in manifold areas of industry and craft. Inhaled solvent vapors are a known health hazard to workers. For medical prevention and toxicological assay specific laboratory methods for urinary metabolites are necessary. An economical capillary gas chromatographic procedure
The determination of base oil composition and content in engine motor oils and in the fractions enriched in the polybutenylsuccinimide type dispersant which can be isolated from the lubricants are achieved through liquid chromatography. Strongly activated silica gel and anhydrous pentane are used as