THE PROBLEM OF CALIBRATION COEFFICIENT K OF VPO MEASUREMENT ON THE MOLECULAR WEIGHT OF SOLUTE——A NEW MODEL
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THE PROBLEM OF CALIBRATION COEFFICIENT K OF VPO MEASUREMENT ON THE MOLECULAR WEIGHT OF SOLUTE——A NEW MODEL
Acta Polymerica SinicaIssue 1, Pages: 35-38(1988)
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Published:20 February 1988,
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LIU Peng-sheug. THE PROBLEM OF CALIBRATION COEFFICIENT K OF VPO MEASUREMENT ON THE MOLECULAR WEIGHT OF SOLUTE——A NEW MODEL. [J]. Acta Polymerica Sinica (1):35-38(1988)
DOI:
LIU Peng-sheug. THE PROBLEM OF CALIBRATION COEFFICIENT K OF VPO MEASUREMENT ON THE MOLECULAR WEIGHT OF SOLUTE——A NEW MODEL. [J]. Acta Polymerica Sinica (1):35-38(1988)DOI:
THE PROBLEM OF CALIBRATION COEFFICIENT K OF VPO MEASUREMENT ON THE MOLECULAR WEIGHT OF SOLUTE——A NEW MODEL
Vapour pressure osmometry is widely used in the determination of number average molecular weight
Mn
of oligomers and polymers in the lower range of values. We demostrate by means of analysis of the literature data and our own experiment that the calibration constant varies with the molecular weight of the solute. But up to now there has been no theory to describe the dependence. In this paper a new model has been put forward to describe this effect. With the help of the model
we can clearly describe the dependence of the solute on K.