Zobrazeno 1 - 10
of 18
pro vyhledávání: '"K. Ashok Rao"'
Publikováno v:
Chemical Science Transactions. 2:513-523
Heterocyclic compound diamino and dihydroxy- pyramidine was synthesized and proposed as chelating agent for the determination of trace amounts of zinc. Zinc(II) forms the ripen-mango- colour complex with DADHP (Diamino dihydroxypyrimidine) in 1:3 sto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f876bc573b5d55dfad52973cc82afda
https://doi.org/10.7598/cst2013.393
https://doi.org/10.7598/cst2013.393
Publikováno v:
Chemical Science Transactions. 1:590-603
The quantification of copper in water, vegetables, foodstuffs, human hair and pharmaceutical samples was determined by a simple more sensitive and selective spectrophotometric method. Cu(II) forms an orange - red color complex with 5-{� -methyl-3-h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f717963849324833591c7273ba99adf0
https://doi.org/10.7598/cst2012.241
https://doi.org/10.7598/cst2012.241
Autor:
K. Ashok Rao
Publikováno v:
Social Scientist. 32:64
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a5d0211c5826355fc751eb5c41f93e8
https://doi.org/10.2307/3518260
https://doi.org/10.2307/3518260
Autor:
B. Rangamannar, K. Ashok Rao
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Letters. 93:295-302
A radioanalytical method based on substoichiometric principles has been developed for the extraction and determination of antimony/III/ with 1-/2-pyridylazo/-2-naphthol /PAN/. Antimony/III/ forms a red complex with PAN in the presence of I− or Br
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31c70e3270e103536109af9b917ddaa3
https://doi.org/10.1007/bf02165015
https://doi.org/10.1007/bf02165015
Autor:
B. Rangamannar, K. Ashok Rao
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Letters. 86:365-371
The present work deals with the determination of Cr/III/ by means of the substoichiometric isotope dilution method, using PAN, 1-/2-pyridylazo/-2-naphthol as a complexing agent. Chromium forms a 1∶2 complex with PAN. Heating to 90°C for 3 min was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4d414b0fc9d639ffef26170be3a81f9
https://doi.org/10.1007/bf02167213
https://doi.org/10.1007/bf02167213
Autor:
K. Ashok Rao, B. Rangamannar
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Letters. 93:287-293
Conditions are established for the substoichiometric determination of iridium employing 1-/2-pyridylyzo/-2-naphthol /PAN/ as a chelating agent. Iridium forms a red coloured complex /1∶2/ with PAN at pH 5 /acetate buffer/, on heating for 60 min in a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9df2dfa32b10167da9e8ddba88d315d2
https://doi.org/10.1007/bf02165014
https://doi.org/10.1007/bf02165014
Autor:
B. Rangamannar, K. Ashok Rao
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Letters. 93:319-326
The possibility of using PAN as a reagent for the substoichiometric determination of nickel and manganese has been investigated. Nickel forms a 1∶1 red colour and manganese a 1∶2 wine red colour complex with PAN, which are extractable into chloro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9e8fc4633605dcfd00694ae81963434
https://doi.org/10.1007/bf02210652
https://doi.org/10.1007/bf02210652
Autor:
B. Rangamannar, K. Ashok Rao
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Letters. 94:25-31
A substoichiometric method for cadmium determination has been developed. The Cd-PAN complex was extracted into chloroform from 1.5M NaOH, 10–80 μg of cadmium was determined with an accuracy of ±0.38%.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8591d5e07ee0caa844643e8b4bf6a971
https://doi.org/10.1007/bf02199550
https://doi.org/10.1007/bf02199550
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Letters. 94:351-355
A method for the separation of Tl/III/from Tl/I/ is reported employing 1-/2-pyridylazo/-2-naphthol /PAN/ and Rhodamine-B as extracting agents.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b27770be24fffbbf8580256ef8e9619
https://doi.org/10.1007/bf02165695
https://doi.org/10.1007/bf02165695
Autor:
K. Ashok Rao, B. Rangamanner
Publikováno v:
ract. 34:147-148
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1526a291f72ad3b91ba2f048bb85755
https://doi.org/10.1524/ract.1983.34.3.147
https://doi.org/10.1524/ract.1983.34.3.147