Microdetermination of nitrates and nitrites—III1Gasometric and gravimetric methods based on reduction with formic acid

Autor:	Saad S. M. Hassan, William Ibrahim Awad, M.T.M. Zaki
Rok vydání:	1971
Předmět:	inorganic chemicals chemistry.chemical_compound chemistry Nitrate Formic acid Inorganic chemistry Carbon dioxide Gravimetric analysis Nitrous oxide Nitrite Analytical Chemistry
Zdroj:	Talanta. 18:219-224
ISSN:	0039-9140
DOI:	10.1016/0039-9140(71)80029-2
Popis:	Simple microgasometric and gravimetric methods for the determination of the nitrate and nitrite groups are described. These are based on reduction with formic acid whereby one mole of nitrous oxide and four moles of carbon dioxide are simultaneously liberated per two moles of nitrate; two moles of nitrous oxide and six moles of carbon dioxide are liberated per seven moles of nitrite. Nitrous oxide is measured gasometrically and carbon dioxide gravimetrically. Results accurate to ± 0.2% absolute are obtained for both nitrate and nitrite.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::eb7fe0091b5518d48f65cda1b5ab4b64 https://doi.org/10.1016/0039-9140(71)80029-2 Zobrazit plný text záznamu