Iodometric determination of sulphate by a direct thermometric method

Autor:	F. Trischler, P. Marik-Korda
Rok vydání:	1977
Předmět:	Exothermic reaction chemistry Chromate conversion coating Reagent Inorganic chemistry Analytical chemistry chemistry.chemical_element Barium
Zdroj:	Journal of Thermal Analysis. 12:291-296
ISSN:	1572-8943 0022-5215
DOI:	10.1007/bf01909485
Popis:	A thermometric method has been developed for the determination of sulphate after direct or indirect conversion to chromate. The chromate equivalent to sulphate is determined by direct injection enthalpimetry (DIE) using K1 as a reagent, by measuring the temperature change due to the exothermic reaction taking place. The temperature change is proportional to the concentration of sulphate originally present. The method is suitable for the determination of as low as 10−4M sulphate concentration, which means an increase in sensitivity of about tenfold in comparison with that of the thermometric method based on the reaction of sulphate with barium.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::8692fc3d0a8a7acde04ed12c9270ab3b https://doi.org/10.1007/bf01909485 Zobrazit plný text záznamu Full text from SpringerLink