Molal freezing point depression(ATf) of N-methylformamide(NMF), N-methylacetamide(NMA), N-methylpropionamide, N:N-dimethylformamide(DMF), N:N-dimethylacetamide (DMA) and N:N-dimethylpropionamide(DMP) have been determined in benzene by cryoscopic measurements. Molecular weight, degree of association
Cryoscopic studies of solutions in formamide. I
β Scribed by Frederick H. Getman
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 583 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0165-0513
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π SIMILAR VOLUMES
Measurements have been made of the depression of the freezing point of fused KSCN by Naps, Na&.+ and KzS~.~. Na2S gives a freezing point depression corresponding to three foreign particles. Theseare believed to be 2Na+ and CN-, thecyanide ion being formed by reaction of S\*-with the solvent. Na2SI.4
A spIitting of the ND stretching band of partly deuterated formamide has been found in perchlorate and tetrailuoroborab sohxtions. A continuous shift to lower frequencies has been cbserved for halide solutions. These effects are discussed in terms of the solvent separated ion pair model previously p
The infrared and Raman spectra of HCONI&, HCOND2, and an equimolar mixture of the two in dimethylsulphoxide (DMSO) at concentrations ranging from the pure formamide to a very dilute solution have been measured. The carbonyl stretching band of formamide is asymmetric. At very low concentrations in DM