Complex metaphosphate polymers

Mehrotra, R. C. ; Gupta, V. S. (1962) Complex metaphosphate polymers Journal of Polymer Science, 58 (166). pp. 501-516. ISSN 0887-624X

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The complexation reaction of the polymeric metaphosphate ions has been studied with copper, calcium, barium, zinc, lead, and iron ions by physicochemical measurements indicating the formation of complex derivatives of the type (NaxM1-x/aPO3)n where a is the valency of the metal ion complexed. It has been possible to synthesize a large number of derivatives for the first time by the reactions of the following type: (x)NaH2PO4·2H2O +(1-x/a)MOa/2 + (1-x)(NH4)2HPO4700° or 800°C1/nNaxM1-x/nPO2)n +2(1-x)NH3 +3/2(1+x)H2O. The progress of the reaction has been studied on a Stanton Thermogravimetric balance and the properties (composition, viscosity, molecular weight, and conductivity) of the transparent glassy complex metaphosphates have been studied in detail throwing fresh light on Graham's salt itself as well as these new derivatives.

Item Type:Article
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ID Code:30084
Deposited On:23 Dec 2010 03:17
Last Modified:08 Jun 2011 05:17

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