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ABSTRACT THE literature on complex pyrophosphates of nickel and cobalt does not record any detailed study of their solutions. Rosenheim1 observed that from solutions of alkali pyrophosphates
containing nickel and cobalt pyrophosphates, the normal pyrophosphates separate unchanged. Later, Bassett and his co-workers2 stated that nickel and cobalt pyrophosphates dissolve in excess
of alkali pyrophosphates giving yellowish-green and purple solutions respectively, but they could not isolate any complex salt in the solid phase. This, however, does not show the
non-existence of complex ions containing nickel or cobalt and pyrophosphate ion in solution. I have investigated complex formation in solution by different physico-chemical methods such as
thermometric, transport, conductometric, _p_H measurements, cryoscopy in saturated sodium sulphate solutions and magnetic measurements. Access through your institution Buy or subscribe This
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CHARACTERIZATION OF MAGNESIUM-IRON-COBALT COMPLEX HYDRIDES Article Open access 02 June 2020 A NEW IRON-PHOSPHATE COMPOUND (FE7P11O38) OBTAINED BY PYROPHOSPHATE STOICHIOMETRIC GLASS
DEVITRIFICATION Article Open access 25 November 2021 CORRELATION BETWEEN STRUCTURE, CHROMATICITY, AND DIELECTRIC PROPERTIES OF CALCIUM COPPER PYROPHOSPHATES, CA2−_X_CU_X_P2O7 Article Open
access 27 April 2022 REFERENCES * Rosenheim, _Z. anorg. ind. allg. Chem._, 153–4, 125 (1936). Google Scholar * Bassett, Bedwell and Hutchinson, _J. Chem. Soc._, Part II, 1412 (1936). *
Haldar, B. C., _Science and Culture_, 14, 340 (1949). CAS Google Scholar Download references AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Inorganic Chemistry Laboratory, University of
Calcutta, 92 Upper Circular Road, Calcutta, 5 B. C. HALDAR Authors * B. C. HALDAR View author publications You can also search for this author inPubMed Google Scholar RIGHTS AND PERMISSIONS
Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE HALDAR, B. Pyrophosphato-Complexes of Nickel and Cobalt in Solution. _Nature_ 166, 744–745 (1950).
https://doi.org/10.1038/166744a0 Download citation * Issue Date: 28 October 1950 * DOI: https://doi.org/10.1038/166744a0 SHARE THIS ARTICLE Anyone you share the following link with will be
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