Analytical Chemistry of the Condensed Phosphates by S. Greenfield, M. Clift, R. Belcher, H. Freiser

By S. Greenfield, M. Clift, R. Belcher, H. Freiser

Analytical Chemistry of the Condensed Phosphates describes the concept that and mode of operation of assorted analytical tools for research of the condensed phosphates.
This publication consists of ten chapters, and starts with a presentation of the final houses of the condensed phosphates. significant chapters are dedicated to numerous analytical recommendations used for condensed phosphate research, akin to gravimetry, titrimetry, and electrometric, chromatographic, actual, and automatic equipment. A bankruptcy discusses the tactics for the choice of esters of the condensed phosphates. The concluding chapters survey the popular approach to quantitative research of those compounds, in addition to the education of natural samples.
This ebook will end up helpful to analytical, inorganic, and natural chemists and researchers.

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15. BARCLAY, G. , Cox, E. G. , Chem. and Ind. 178 (1956). 16. CORBRIDGE, D . E. C. and LOWE, E. , J. Chem. Soc. 493 (1954). 17. SIMON, A. , Z . anorg. allgem. Chem. 301, 154 (1959). 18. , BÜHLER, K. , Z . anorg. allgem. Chem. 325, 8 (1963). 19. CALLIS, C. , VAN WAZER, J. , SHOOLERY, J. N . and ANDERSON, W. C , / . Am. Chem. Soc. 79, 2719 (1957). 20. VAN WAZER, J. , CALLIS, C. , SHOOLERY, J. N . and JONES, R. C , / . Am. 21. 22. 23. 24. Soc. 78, 5715(1956). , Compt. Rend. 204, 433 (1937). BODE, H.

Notes 1. Heat the solution on an electric hot plate. 2. Use a pipette and pipette filler to dispense the toluene-isobutanol mixture. 3. 050. 2. The nitric acid liberated is titrated with standard alkali through the end point near to pH 5. 2 linear phosphates do not react as there is no hydrion remaining. This method is only to be recommended where the amount of orthophosphate is equivalent to at least one-third of the total phosphorus present in the sample. Calculation of Chain Length In the absence of orthophosphate : number average chain length n = 5V2IVi.

P. , 239, 173 (1954). 19. EBEL, J. , COLAS, J. and BUSCH, R , Bull. Soc. chim. France, 1087 (1955). 5 ; and N a 3 P 3 0 9 and "hexameta" from pH 6, with sodium hydroxide solution. From further aliquots at the same pH the curves were completed by titrating with hydrochloric acid solution. The "hexameta" referred to in the original paper is long-chain polyphosphate; when the original points are replotted a distinct inflection point at pH 9 is evident. A number average chain length of approximately 300 can be calculated from the data given.

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