Thermodynamic quantities for the dissociation equilibria of biologically important compounds. 7. The second acid dissociation of glycerol 1-phosphate
- 1 June 1958
- journal article
- research article
- Published by Portland Press Ltd. in Biochemical Journal
- Vol. 69 (2) , 218-223
- https://doi.org/10.1042/bj0690218
Abstract
The 2d dissocia-tion constant of glycerol 1-phosphate was determined over the range 5-50[degree] at 5[degree] intervals, cells without liquid junction with hydrogen and silver-silver chloride electrodes being used. The standard thermodynamic quantities associated with the 2d dissociation of glycerol 1-phosphate, [DELTA]G[degree], [DELTA]S[degree], 4[DELTA]H[degree] and [DELTA]C[image] were evaluated and critically compared with those of glycerol 2-phosphate and orthophosphoric acid. The information given will allow the preparation of standard buffers of glycerol 1-phosphate in the range pH 5-7 and up to ionic strengths of 0.1.Keywords
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