Reaction curves for the simplest of cellulose acetylation systems; namely, the homogeneous reaction of secondary cellulose acetates with acetic acid and water, were studied. These reactions were found to be slow and complex, consisting of two interdependent simultaneous reversible second-order processes....
Reactions Exposure to carbon dioxide yields basic lead carbonate, 2PbCO3•Pb(OH)2, the composition of which may vary with reaction conditions. Reactions with sulfuric acid, hydrochloric acid and hydriodic acid yield lead sulfate PbSO4, lead chloride PbCl2, and lead iodide PbI2, respectively. ...
Reaction curves for the simplest of cellulose acetylation systems; namely, the homogeneous reaction of secondary cellulose acetates with acetic acid and water, were studied. These reactions were found to be slow and complex, consisting o... LAH Jr - 《Journal of Polymer Science Part A Polymer ...
Process for the production of ethyl acetate comprising: (a) transforming a C2 starting material comprising ethanol into ethyl acetate in an ethyl acetate production zone by a process selected from: (i) dehydrogenation, and ( ii) reaction with acetaldehyde; (b) recovering a mixture of intermediate...
These reactions produce aqueous sodium acetate and water. Carbon dioxide is produced in the reaction with sodium carbonate and bicarbonate, and it leaves the reaction vessel as a gas (unless the reaction vessel is pressurized). This is the well-known "volcano" reaction between baking soda (...
The control of metabolite production is difficult in mixed culture fermentation. This is particularly related to hydrogen inhibition. In this work, hydrogenotrophic methanogens were selectively enriched to reduce the hydrogen partial pressure and to real
aOne mole of a fluorine-containing acetate (in the case of a mixed condensation, the ester containing the more fluorine) and 12g of sodium hydride were added to the flask and the mixture heated to the desired reaction temperature. 正在翻译,请等待...[translate]...
Thermodynamic calculations, recoveries and substrate to CH4 and CO2 ratios ΔGs were calculated from standard Gibbs free energies of formation (Gf0; Thauer et al., 1977), standard reaction enthalpies of formation (Hf0; Lange, 1967; Stumm and Morgan, 1981) and Nucleotide sequence accession ...
The green tetrahydrate has been determined by X-ray crystallography to be octahedral about the central nickel atom, coordinated by four water molecules and two acetate fragments.It may be dehydrated in vacuo, by reaction with acetic anhydride,or by heat. View all Chemical Properties Nickel(II) ...
Organic cellulose esters such as cellulose acetate (CA), cellulose acetate butyrate (CAB), and cellulose acetate propionate (CAP) are bio-based polymers. They are produced through reaction of cellulose with organic acids, anhydrides or acid chlorides. Cellulose acetate is one of the oldest bio-...