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uncovered in the course of this study. thus, treatment of compound with hcho in the presence of catalytic amount of ptsoh followed by reduction (nabh cn, tfa, ch cl ) of the so-formed oxazolidine gave the n-methylated product . furthermore, a dual role of oxazolidine as protecting group of vicinal amino alcohol...
and drug policy suncor is committed to providing a safe work environment for all workers and for those whose safety may be affected by such workers. suncor recognizes that the use of alcohol and drugs can adversely impact a safe work environment. all contractors who deploy workers to a worksite that...
using vinegar using soap and water tips and warnings things you'll need related articles references article summary ink spills are a pain to remove, especially if the ink is permanent. however, there are a few tried and true substances that work quite well to get rid of ink: alcohol, vinegar, and for...
alcohol ( % vol) alkali solution ( %) soap solution detergent solution astm d no discolouration, change in gloss, blistering, softening, swelling, loss of adhesion or special phenomena was observed. strata epoxy sl strata epoxy sl is a self-smoothing, solvent-free, three-component epoxy floor coating...
alcohol ( % vol) alkali solution ( %) soap solution detergent solution astm d no discolouration, change in gloss, blistering, softening, swelling, loss of adhesion or special phenomena was observed. strata epoxy sl strata epoxy sl is a self-smoothing, solvent-free, three-component epoxy floor coating...
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distillates and deasphalted oil derived from poor lube crudes prior to solvent extraction; improves extraction yields licensed by bhts solvent dewaxing (sdu) removes wax from (usually extracted) lube distillates by chilling and filtration in a solution of a solvent and an anti-solvent (usually methyl ethyl...