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Formaldehyde Solutions

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  • Michael M. Silaev

Abstract

A mechanism of the initiated nonbranched-chain process of forming 1,2-alkanediols and carbonyl compounds in alcohol–formaldehyde systems is suggested. The quasi-steady-state treatment is used to obtain kinetic equations that can describe the nonmonotonic (with a maximum) dependences of the formation rates of the products on the concentration of free unsolvated formaldehyde. The experimental concentrations of the free unsolvated form of formaldehyde are given at the different temperatures, solvent permittivity, and total concentrations of formaldehyde in water and alcohols. An empirical equation for calculating the free formaldehyde concentration in alcohol–formaldehyde (including water/ethanediol–formaldehyde) systems at various temperatures and total formaldehyde concentrations and an equation for evaluating solvent concentrations in these systems were derived. The experimental dependence of the ethanediol radiation-chemical yields on formaldehyde concentration in ?-radiolysis of methanol–formaldehyde system at 373–473 K is shown.

Suggested Citation

  • Michael M. Silaev, 2020. "Formaldehyde Solutions," International Journal of Scientific Research in Chemistry, International Journal of Scientific Research in Chemistry, vol. 5(2), pages 01-09, April.
    • Handle: RePEc:cuo:ijsrch:v5:y2020:i2:id:hijsrch20522
    Note: Article URL: https://ijsrch.com/IJSRCH20522
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