1963
DOI: 10.1097/00010694-196311000-00019
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Handbook of Analytical Chemistry

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Cited by 220 publications
(61 citation statements)
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“…In view of these discrepancies, it seems reasonable to suggest that the calcium may be present in the total ash predominantly as the carbonate rather than the oxide. It is known that calcium oxalate decomposes to calcium carbonate at 475-525 •c (20), which is lower than the 550 ·c temperature used for the total ash procedure. It may be that other organic salts containing calcium, such as calcium pectate, may also form calcium carbonate during the total ash procedure.…”
Section: Methodsmentioning
confidence: 94%
“…In view of these discrepancies, it seems reasonable to suggest that the calcium may be present in the total ash predominantly as the carbonate rather than the oxide. It is known that calcium oxalate decomposes to calcium carbonate at 475-525 •c (20), which is lower than the 550 ·c temperature used for the total ash procedure. It may be that other organic salts containing calcium, such as calcium pectate, may also form calcium carbonate during the total ash procedure.…”
Section: Methodsmentioning
confidence: 94%
“…Gas-liquid chromatography (GLC (Bayer, 1961;Meites, 1963). t ECL behavior determined by noting whether the decimal portion of the ECL was constant (0), increased (+), or decreased (-) with increasing reduced carbon number (the whole-number portion of the ECL).…”
mentioning
confidence: 99%
“…Esses valores foram escolhidos em função da faixa de viragem do indicador (0,0 -1,8) 12 . Os pHs foram obtidos através do emprego de tampões de Clark e Lubs (HCl/KCl e NaOH/KCl), de acordo com a literatura 13,14 .…”
Section: Equipamentos E Métodosunclassified