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Gas-liquid chromatographic headspace technique for determination of vinyl chloride in corn oil and three food-simulating solvents.

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A gas-liquid chromatographic headspace technique for the determination of vinyl chloride (VC) in corn oil, 50% ethanol, 3% acetic acid, and n-heptane is described. These food-simulating solvents and the corn oil are placed in septum-sealed bottles and heated to 90 degrees C, and aliquots of

Stability-indicating analysis of injectable estrogen-androgen combinations in formulations containing corn oil.

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A method was developed for the analysis of testosterone 17-enanthate 3-benzilic acid hydrazone, 17-beta-estradiol 3,17-dienanthate, and estradiol benzoate combinations dissolved in an oily vehicle. Testosterone 17-enanthate 3-benzilic acid hydrazone was separated from the other drugs and vehicle

Effect of adulteration versus storage on volatiles in unifloral honeys from different floral sources and locations.

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High fructose corn syrup (HFCS) was added at 5% to 40% to Indiana wildflower honey and added at 40% to Ohio and Indiana honeys from blueberry, star thistle, clover and wildflower, and an unknown source to simulate honey adulteration. Unadulterated honeys were also stored at 37 ºC from 1 to 6 mo. The

Influence of dietary simulating solvents on the viscoelasticity of temporary soft lining materials.

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BACKGROUND Clinical changes in the viscoelasticity of temporary soft lining materials are characterized by a more rapid and increased reduction in compliance than is seen after in vitro immersion. A possible explanation for these differences is a solvent effect, acting clinically to encourage the

NTP Toxicology and Carcinogenesis Studies of Penicillin VK (CAS No. 132-98-9) in F344/N Rats and B6C3F1 Mice (Gavage Studies).

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Penicillin VK, a widely used antibiotic for treatment of gram-positive coccal infections, was nominated for study by the National Cancer Institute because rodent carcinogenicity studies for this drug had not been performed. The chemical (94% or 98% pure, USP grade) was administered orally (by gavage

New FDA migration cell used to study migration of styrene from polystyrene into various solvents.

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A new cell was evaluated for studying the migration of components of plastic food packaging materials into various food simulating solvents. Data obtained using this cell to study the migration of styrene from polystyrene at 40 and 70 degrees C are presented. Food simulating solvents tested were:

Migration of Irganox 1010 from ethylene-vinyl acetate films to foods and food-simulating liquids.

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In a series of experiments on the migration of the antioxidant Irganox 1010 from ethylene-vinyl acetate (EVA) films into food-simulating liquids and foods, the antioxidant was found to migrate rapidly from EVA film into n-heptane, 100% ethanol and corn oil. The rate of migration into these media was

Sophorolipids Production by Candida bombicola ATCC 22214 and its Potential Application in Microbial Enhanced Oil Recovery.

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Biosurfactant production using Candida bombicola ATCC 22214, its characterization and potential applications in enhancing oil recovery were studied at laboratory scale. The seed media and the production media were standardized for optimal growth and biosurfactant production. The production media

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