An Indirect Spectrophotometric Method for the Microdetermination of Nitrogen (as ammonia)

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Title:	An Indirect Spectrophotometric Method for the Microdetermination of Nitrogen (as ammonia)
Authors:	JAMIL ANWAR ANJUM IMTIAZ SUMRA JAN NAGRA, SAEED AHMAD
Issue Date:	20-Sep-1988
Publisher:	HEJ Research Institute of Chemistry, University of Karachi, Karachi.
Citation:	ANWAR, J., IMTIAZ, A., JAN, S., & NAGRA, S. (1988). AN INDIRECT SPECTROPHOTOMETRIC METHOD FOR THE MICRODETERMINATION OF NITROGEN (AS AMMONIA). JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN, 10(3), 381-384.
Abstract:	A simple indirect spectrophotometric method for the determination of nitrogen (as ammonia) is described. The method is based on the fact that in a neutral medium the precipi tat ion of nickel with dimethylglyoxime remains incomplete. After filtering off the precipitate, the filtrate contains unreacted nickel and dimethyl glyoximate ions. Addition of armonia to this filtrate produces an equivalent quantity of nickel-dimethyl glyoximate which is extracted into chloroform and the absorbance of the extract is measured.
URI:	http://142.54.178.187:9060/xmlui/handle/123456789/19205
ISSN:	0253-5106
Appears in Collections:	Issue 03

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