Zobrazeno 1 - 10
of 286
pro vyhledávání: '"KHOPKAR, SM"'
Publikováno v:
IndraStra Global.
In this study, cadmium(II) has been extracted with 10 mL of 0.0001 M acetyl derivative of calix(6)arene at pH 8.0 by equilibrating for 5 mm Cadmium(II) is stripped quantitatively with 0.5 N hydrochloric acid and determined photometrically by complexa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::184c0dec5930a5e0061f985d5efc51f2
https://igi.indrastra.com/items/show/52993
https://igi.indrastra.com/items/show/52993
Autor:
KHOPKAR, SM, MALKHEDE, C
Publikováno v:
IndraStra Global.
Trace amount of thallium has been quantitatively extracted with hexaacetyl calix(6)arene at pH 2.0 with toluene as the diluent. Thallium is stripped from organic phase with 2M hydrochloric, nitric or perchloric acid and determined spectrophotometrica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::5789bcd68510cb1edf143f3ff4bb02e3
http://hdl.handle.net/10054/10261
http://hdl.handle.net/10054/10261
Publikováno v:
IndraStra Global.
Trace concentrations of chromium(III) have been quantitatively extracted with 0.0001M hexaacetato calix(6)arene in toluene at pH 6.5. Chromium(III) was stripped from the organic phase with 4M hydrochloric acid and determined spectrophotometrically at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::e9179aa94f3c4824f5b1f6ec04c5a229
https://igi.indrastra.com/items/show/51690
https://igi.indrastra.com/items/show/51690
Publikováno v:
IndraStra Global.
Lead(ll) was quantitatively extracted with 1 x 10(.4) M Calix(6)arene hexaacetato derivative in xylene at pH 6.0 with 4 M nitric acid. It was stripped and determined spectrophotometrically at 520 nm using 4-(2-pyridylazo) resorcinol. Although silver,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::9637b45bf153b221b6ef06796c07ce02
http://dspace.library.iitb.ac.in/xmlui/handle/10054/12017
http://dspace.library.iitb.ac.in/xmlui/handle/10054/12017
Autor:
KARVE, MA, KHOPKAR, SM
Publikováno v:
IndraStra Global.
Gallium was extracted at pH 4-6 with 0.1 mol l-1 Aliquat 336S in xylene as anionic ascorbate complex. It was stripped from the organic phase with 1 mol l-1 nitric acid and was determined by spectrophotometry at 510 nm as a complex with 4-(2-pyridylaz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::e71eebd33bb83e066fad8c852f2554cf
http://hdl.handle.net/10054/9003
http://hdl.handle.net/10054/9003
Autor:
GANDHI, MN, KHOPKAR, SM
Publikováno v:
IndraStra Global.
A selective method is developed for the solvent extraction separation of cadmium at pH 6.5 with 2.5 x 10(-4) mol l-1 cryptand(2.2.1) in nitrobenzene with 2.5 x 10(-4) mol l-1 Rose Bengal as the counter-ion. From the organic phase cadmium was stripped
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::82fcc9afe06a9f8be85765d1ca3108d8
https://igi.indrastra.com/items/show/56567
https://igi.indrastra.com/items/show/56567
Autor:
VIBHUTE, RG, KHOPKAR, SM
Publikováno v:
IndraStra Global.
A new method is developed for the solvent extraction separation of indium(III) from 4 mol l-1 hydrobromic acid with 0.02 mol l-1 18-crown-6 in methylene chloride. Indium was stripped with 1 mol l-1 acetic acid and was determined spectrophotometricall
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::b903bbad2ccf0a2f36c5f66d192438af
http://hdl.handle.net/10054/9004
http://hdl.handle.net/10054/9004
LIQUID-LIQUID-EXTRACTION OF MOLYBDENUM(VI) FROM ASCORBATE SOLUTION WITH HIGH-MOLECULAR-WEIGHT AMINES
Autor:
KARVE, MA, KHOPKAR, SM
Publikováno v:
IndraStra Global.
Molybdenum(VI) is quantitatively extracted at pH 4.0 from 5 x 10(-3) M ascorbic acid with 1 x 10(-1) M Aliquat 336S in xylene. It is stripped with 1 M nitric acid and determined spectrophotometrically at 390 nm as its complex with tiron. Mo(VI) has b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::8655bb8705824f281755b570b91b6d4e
http://hdl.handle.net/10054/5611
http://hdl.handle.net/10054/5611
Autor:
GANDHI, MN, KHOPKAR, SM
Publikováno v:
IndraStra Global.
Lead at trace concentrations is quantitatively extracted with 4.7 x 10(-4) M of cryptand 222B in tolune at pH 5.5 in the presence of 5 x 10(-4) M eosin as the counter ion. Lead from the organic phase is stripped with 1 M hydrochloric acid and determi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::fb02e50fa9adec888e2a160b91f5e71e
http://dspace.library.iitb.ac.in/xmlui/handle/10054/5490
http://dspace.library.iitb.ac.in/xmlui/handle/10054/5490
Autor:
YI, YV, KHOPKAR, SM
Publikováno v:
IndraStra Global.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=issn23813652::9a23c0b107c980d33c8c771f219feeb9
http://dspace.library.iitb.ac.in/xmlui/handle/10054/10011
http://dspace.library.iitb.ac.in/xmlui/handle/10054/10011