Spectrophotometric determination ofrhodium(III) using 5-Br-PADAP and N-hydroxy-N ,N' -diphenylbenzamidine as reagent by extracting it in dichloromethane

Autor: Thakur, Manisha, Khande, Pushpa, Manas Kanli Deb

School of Studies in Chemistry, Pt. Ravishankar Shukla University. Raipur-492 010, India E-mail : debmanas@yahoo.com Manuscript received 13 July 2004, revised 14 December 2004, accepted 19 January 2005 A rapid and sensitive spectrophotometric method

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b412c23916bc4c61acef04b1adf1e490

Determination of nitrite, nitrate and total nitrogen in vegetable samples

Autor: Khande, Pushpa, Kanti Deb, Manas, Thakur, Manisha

Publikováno v: Scopus-Elsevier
Bulletin of the Chemical Society of Ethiopia, Vol 21, Iss 3, Pp 445-450 (2007)
Bulletin of the Chemical Society of Ethiopia; Vol 21, No 3 (2007); 445-450

Yellow diazonium cation formed by reaction of nitrite with 6-amino-1-naphthol-3-sulphonic acid is coupled with β-naphthol in strong alkaline medium to yield a pink coloured azo dye. The azo-dyes shows absorption maximum at 510 nm with molar absorpti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1eb65f911c4cb970bac799078ab673b8
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