British Abstracts: Pure chemistry and physiology. ser. A1943 |
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Trang 15
... cellulose . T. Lieser ( Kolloid - Z . , 1942 , 98 , 142-148 ) .- Cellulose ( I ) , being a polyhydroxyvinyl compound , should be readily sol . in H2O . The fact that it is a high polymer should not affect its solubility . It also ...
... cellulose . T. Lieser ( Kolloid - Z . , 1942 , 98 , 142-148 ) .- Cellulose ( I ) , being a polyhydroxyvinyl compound , should be readily sol . in H2O . The fact that it is a high polymer should not affect its solubility . It also ...
Trang 127
... cellulose . Viscosity - concentration relations of cellulose acetate solutions . R. E. Montonna and C. C. Winding ( Ind . Eng . Chem . , 1943 , 35 , 214-216 ) .— Since existing formulæ connecting relative n ( n ) with the vol . of the ...
... cellulose . Viscosity - concentration relations of cellulose acetate solutions . R. E. Montonna and C. C. Winding ( Ind . Eng . Chem . , 1943 , 35 , 214-216 ) .— Since existing formulæ connecting relative n ( n ) with the vol . of the ...
Trang 257
... cellulose . K. Hess and E. Steurer ( Ber . , 1940 , 73 , [ B ] , 669-676 ) .— Dis- crepancies between the degree of polymerisation of cellulose as determined by end - group ( see above ) and viscosity ( generally gives wer vals ...
... cellulose . K. Hess and E. Steurer ( Ber . , 1940 , 73 , [ B ] , 669-676 ) .— Dis- crepancies between the degree of polymerisation of cellulose as determined by end - group ( see above ) and viscosity ( generally gives wer vals ...
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absorption absorption spectra Acad acetate acid AcOH activity adsorption alkali Amer Anal analysis ation atoms boiling calc catalyst cellulose CHCI Chem chemical chloride CHPh CO₂ CO₂H coeff colour compounds Compt conc concn const containing converted corr cryst crystals curves decomp decreases derivatives described determined diazotised dioxan discussed effect electrolytes electron energy equilibrium ester ether EtOH formation formed Geol gives H₂ H₂O H₂SO heat hydrochloride hydrogen hydrolysed increases ionisation ions isomerised ketone lattice liquid measurements MeOH metal method methyl minerals mixtures NaOH obtained oxidation oxidised oxime particles phenols PhOH Physical Rev picrate polarisation polymerisation pptd pptn prep presence pressure reaction reagent reduced rend room temp salts semicarbazone solubility solution solvent spectra spectrum structure substances surface theory thermal titration vals vapour X-ray yield