n methyl 2 pyrrolidone/dichloromethane

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Chemosensory effects during acute exposure to N-methyl-2-pyrrolidone (NMP).

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Organic solvents are still essential in many industrial applications. To improve safety and health in the working environment lower occupational thresholds limits have been established and less toxic substitutes were introduced. N-Methyl-2-pyrrolidone (NMP) is a versatile solvent that is used as a

Microwave-assisted extraction of polycyclic aromatic compounds from coal.

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Microwave-assisted extraction (MAE) of polycyclic aromatic compounds (PACs) from coal is shown to give the same pattern of compounds as Soxhlet extraction. MAE requires only 10 mL solvent and 10 min extraction time whereas Soxhlet uses 200 mL and takes 24 h. Although the yields were lower,

Room temperature ionic liquid as matrix medium for the determination of residual solvents in pharmaceuticals by static headspace gas chromatography.

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Using new solvent room temperature ionic liquid (IL) matrix media, testing of residual solvents in pharmaceutical preparations with static headspace gas chromatographic (SH-GC), is described. The purpose of this work was to demonstrate the feasibility of IL as diluent, six solvents utilized in

Inkjet-printed gold nanoparticle chemiresistors: influence of film morphology and ionic strength on the detection of organics dissolved in aqueous solution.

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The influence of film morphology on the performance of inkjet-printed gold nanoparticle chemiresistors has been investigated. Nanoparticles deposited from a single-solvent system resulted in a "coffee ring"-like structure with most of the materials deposited at the edge. It was shown that the

Effects of Phase Separation Behavior on Morphology and Performance of Polycarbonate Membranes.

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The phase separation behavior of bisphenol-A-polycarbonate (PC), dissolved in N-methyl-2-pyrrolidone and dichloromethane solvents in coagulant water, was studied by the cloud point method. The respective cloud point data were determined by titration against water at room temperature and the

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Herbal & Natural Medicine

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