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1,4-Dioxane; a colorless liquid used as a solvent for cellulose esters and in histology as a drying agent.
Synonym(s): 1, 4-diethylene dioxide
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Intrinsic selectivity of the membranes toward water is the ratio of permeance of water and dioxane and is obtained from the Eq.
Dioxane 1 1401.974 1385.806 1400.756 1.5 1401.365 1385.708 1401.365 2 1402.584 1398.148 1401.974 2.5 1403.805 1398.933 1402.756 3 1404.416 1399.148 1403.194 3.5 1406.933 1403.194 1404.416 BSA 1378.010 1378.010 1378.010 Temp 30 [degrees]C 1,4- DMSO DMF Conc.
Thus, in this computational study, we will assess a powerful density functional in calculating the molecular properties and structure of the dansylglycine pigment in the presence of water and dioxane as solvents.
Among the colloidal porous silicon solutions, Psi in THF, dioxane, DMSO, C[Cl.sub.4], cyclohexane, and chloroform exhibited the luminescent under the exposure of UV lamp.
Regarding the variation of [log.sub.10][K.sub.1] values with the solvent composition, one can postulate that the zwitterionic to neutral form ratio decreases as the dioxane content increases.
Zenker et al [35] reported that 1,4 dioxane is used as a solvent stabilizer in industries to prevent the breakdown of chlorinated solvents during manufacturing processes.
To remove the unreacted components (laccase, HBA, and VAN) and to show structural changes more effectively, the samples were extracted with [water.sub.bidest] and afterward partly with dioxane and successively with dioxane and alkali.
Last year formaldehyde was identified as a carcinogen by the government while 1,4 dioxane has been linked to cancer in certain animal studies.
This mineral sunscreen contains all-natural and certified-organic ingredients free of sodium lauryl sulfate, paraben and 1-4 dioxane and gluten, earning a "1" rating, www.trukid.com.
In June 2008, the California attorney general's office filed a lawsuit against four "natural" companies whose personal-care products had the highest dioxane levels: Avalon Natural Products, Beaumont Products, Nutribiotic, and Whole Foods Market.
The consumer group, Campaign for Safe Cosmetics, I learned, had commissioned a laboratory analysis of a number of children's shampoos and bath products, and was now trumpeting the discovery of undeclared formaldehyde and dioxane. Since both of these chemicals are classified as probable human carcinogens, it comes as no surprise that the airwaves and newspapers were soon filled with stories about "baby products tainted with cancer causing chemicals." What do I make of it all?