Zobrazeno 1 - 10
of 17
pro vyhledávání: '"U. C. Pande"'
Autor:
U. C. Pande, A. H. Dwivedi
Publikováno v:
E-Journal of Chemistry, Vol 8, Iss 3, Pp 1086-1093 (2011)
The photosensitized dechlorination of isomeric mono- and dichloroanilines has been studied using methylene blue as photosensitizer in alkaline medium. The dechlorination products have been identified and formation of molecular complex between aniline
Externí odkaz:
https://doaj.org/article/c4865f907b3b46f79fc8c6858a9e431c
Autor:
U. C. Pande, A. H. Dwivedi
Publikováno v:
E-Journal of Chemistry, Vol 7, Iss S1, Pp S111-S120 (2010)
Simultaneous photosensitized dechlorination and decarboxylation of isomeric mono- and dichlorobenzoic acids have been studied in the presence of naphthoxide ion in alkaline medium. The effects of the pH, concentration of the sensitizer, concentration
Externí odkaz:
https://doaj.org/article/38365a83f11a406aa591f7906134ebfc
Autor:
Medha D. Dave, U. C. Pande
Chemistry Department, Gujarat University, Navrangpura, Ahmedabad-380 009, Gujarat, India E-mail : medhaddave@yahoo.com Manuscript received online 06 June 2014, revised 10 July 2014, accepted 10 July 2014 2-Mercaptobenzothiazole (2MBT) is a more toxic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::85e33d02b1c774badcd37ffea1c99069
Autor:
A. H. Dwivedi, U. C. Pande
Department of Chemistry, School of Sciences, Gujarat University, Navrangpura, Ahmedabad-380 009, India E-mail: ucprl@indiatimes.com, dwivedi_ank@indiatimes.com Manuscript received 20 August 2003. revised 22 November 2004. accepted 2 February 2005 The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86b3e7f6621e6d1353ee0f9e2c98afec
Publikováno v:
Mikrochimica Acta. 68:215-220
A titrimetric method for the microdetermination of indole and its derivatives withN-bromoacetamide is described. It has been observed thatN-bromoacetamide brominates the compound containing indole nucleus in the presence of acetic acid. The usual rea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d8bee9e2e16bc6346ee44d6d5dc5305
https://doi.org/10.1007/bf01196204
https://doi.org/10.1007/bf01196204
Autor:
R. D. Tiwari, U. C. Pande
Publikováno v:
Microchimica Acta. 58:478-481
Copper(II) forms a stable colourless complex with thiourea. This property has been utilized to develop a Spectrophotometric method for the determination ofμg quantities of thiourea. The complex absorbs in ultraviolet region and the determinations ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9505b9d2f7d911f9a83b8d555c87da75
https://doi.org/10.1007/bf01224150
https://doi.org/10.1007/bf01224150
Publikováno v:
Fresenius' Zeitschrift für analytische Chemie. 260:359-361
A micro method for the determination of olefinic unsaturation in organic compounds has been developed. 2–10 mg sample dissolved in acetic acid is reacted with a known excess of N-bromosuccinimide at room temperature and the excess reagent is back t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffc5c20e3caa25e8f5815298ad8d1b78
https://doi.org/10.1007/bf00585258
https://doi.org/10.1007/bf00585258
Autor:
R. D. TIWARI, U. C. PANDE
Department of Chemistry, University of Allahabad, Allahabad 211002 N-Bromosuccinimide as an Analytical Reagent for the Determination of some Organic Compounds
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6c2455859ff4675ae6cebdfdd719726
Department of Chemistry, University of Rajasthan - Jaipur-302 004 Department of Chemistry, School of Science, Gujrat University, Ahmedabad-380 009 Manuscript received 10 September 1986, accepted 2 August1986 Mass Spectral Studies of some Fluorinated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07748e001dc072a98da9c74ca08196ad
Publikováno v:
G-Journal of Environmental Science and Technology, Vol 2, Iss 2 (2014)
Pathological studies were carried out in Rohilkhand region during the crop season 2013-14 to assess the pathogenic disease incidence of foot rot of fenugreek (Trigonella foenum-graecum Linn.) caused by Fusarium moniliforme. A total of 75 fields were
Externí odkaz:
https://doaj.org/article/f965d5016c7d4e9ebc73f335e347fb65