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Now showing items 1-20 of 1045

Applicability of four recent models to the discharge behaviour of different phases of MnO2 in alkaline and acidic/neutral electrolytes

Desai, B.D.; Dhume, R.A.S.; Kamat-Dalal, V.N. (Journal of Applied Electrochemistry. 18(1); 1988; 62-74.)

Manganese dioxides belonging to different crystalline phases were discharged in 9 M KOH and 5 M NH4Cl+2 M ZnCl2 at a constant current of 1 mA 0.1 g. These phases were characterized by X-ray diffractometry and chemical ...
Synthesis of (-)-Biflora-4,10(19), 15-Triene, a novel diterpene from the defensive secretion of cubitermes (termite) soldiers

Paknikar, S.K.; Greene, A.E. (Journal of Natural Products. 51(2); 1988; 326-327.)
A biomimetic one-step synthesis of (+) -3,10-dihy deoxydielmentha-4, 9-dione

Paknikar, S.K.; Petel, J. (Chemistry and Industry (London). 1988; 530-531.)
Acylation of Phenols with Salicylic acid using polyphosphoric acid

Kamat, S.P.; Paknikar, S.K. (Indian Journal of Chemistry. 27B; 1988; 773-.)

Acylation of 2-naphthol (2), 1-naphthol(6) and resorcinol (11) with salicylic acid (1) in the presence of PPA affords salicylate esters (4,7,13 and 14), 1,2-benzoxanthone (5), 3,4-benzoxanthone(8), 3-hydroxyxanthone(12), ...
Thermal properties of magnesium bisulphite hydrazinate hydrate

Budkuley, J.S.; Patil, K.C. (Thermochimica Acta. 153(1); 1989; 419-422.)

As part of our research programme on hydrazine hydrate-sulphur dioxide-metal ion systems, metal sulphite hydrazinate hydrates [1] MSO3xN2H4.yH2O, have been synthesized, where M = Fe, Mn, Co, Ni and Zn. The thermal properties ...
Use of monoterpene phenols for the C.V. Raman synthesis of ( + )-3,10-Dihydroxydiel mentha-5,11-Diene-4,9 Dione related compounds

Paknikar, S.K.; Patel, J. (Proc. 11. Int. Congress on Essential Oils, Fragrances and Flavours. 1989; 105-.)
Synthesis of coumarins by transfer of C sub(3 sup(-)) unit of cinnamic-acids to phenols using polyphosphoric acid

Bhattacharjee, J.; Paknikar, S.K. (Indian Journal of Chemistry Section B-Organic Chemistry Including Medicinal Chemistry. 28(3); 1989; 205-207.)

The reaction of cinnamic acid derivatives with different phenols in the presence of polyphosphoric acid gives coumarins in a single step, which involves transfer of the C sub(3 sup(-)) unit of cinnamic acids to the phenols ...
Newer methods of the synthesis of Cis-Jasmone, Part 1

Kirtany, J.K. (PAFAI Journal: Official organ of the Perfumes and Flavours Association of India. 11(4); 1989; 17-29.)
Synthesis and thermoanalytical properties of mixed metal sulfite hydrazinate hydrates .1.

Budkuley, J.S.; Patil, K.C. (Synthesis and Reactivity In Inorganic and Metal-Organic Chemistry. 19(9); 1989; 909-922.)

Mixed metal sulfite hydraxinate hydrates with iron MFe2(SO3)3.6N2H4.2H20 have heen synthesized, where M = Mg, Mn, Co, Ni and Zn. These complexes are characterized by chemical analyses and infrared spectra. The thermoanalytical ...
Catalytic redox reaction of nitric-oxide and carbon-monoxide on perovskites

Salker, A.V.; Chakrabarty, D.K.; Keer, H.V. (Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical and Analytical Chemistry. 28(6); 1989; 458-462.)

Kinetics of oxidation-reduction reaction between CO and NO over perovskite catalysts LaMnO3 and LaCoO3, prepared by ceramic and wet methods, has been studied in the temperature range of 473-1000 K. Results have been discussed ...
Electron spin resonance of some vanadium oxides

Salker, A.V. (Indian Journal of Technology. 27(10); 1989; 501-502.)

Vanadium oxides, except V2O5 show phase transitions at critical temperatures (Tt). Above Tt they show metallic behaviour and are semiconductors below Tt. Electron spin resonance spectrum of these oxides were recorded at ...
Synthesis of 3 naturally-occurring diispropylmethylphenols

Ramanamma, C.V.; Dinge, A.S.; Paknikar, S.K. (Indian Journal of Chemistry Section B-Organic Chemistry Including Medicinal Chemistry. 28(6); 1989; 517-519.)
Optimization of synthesis of nickel-zinc-ferrite from oxalates and oxalato hydrazinate precursors

Moye, V.; Rane, K.S.; Kamat-Dalal, V.N. (Journal of Materials Science-Materials in Electronics. 1(4); 1990; 212-218.)

Ferrites, Ni(x)Zn(1−x) Fe(2)O(4) are being synthesised by five different methods, namely (a) autocatalytic decomposition and air sintering of mixed-metal oxalato hydrazinate prepared by a solution method, (b) decomposition ...
New curriculum plan in chemistry at Goa University

Budkuley, J.S.; Fernandes, J.B. (Journal of Higher Education. 15; 1990; 150-.)
Study of solvent effect on electronic absorption-spectra of some substituted anilines .1.

Mirashi, L.S.P.; Varkhede, R.S.; Kunte, S.S. (Indian Journal of Pure and Applied Mathematics. 28(10); 1990; 565-573.)
Newer methods of the synthesis of Cis-jasmone, Part 2

Kirtany, J.K. (PAFAI journal: Official organ of the Perfumes and Flavours Association of India. 25(Jan-Mar); 1990; Require pagination (from-to))
Synthesis, infrared-spectra and thermoanalytical properties of transition-metal sulfite hydrazine hydrates

Budkuley, J.S.; Patil, K.C. (Journal of Thermal Analysis. 36(7-8); 1990; 2583-2592.)

Transition metal sulfite hydrazine hydrates, MSO(3.x)N2H(4.y)H2O where M = Mn, Fe, Co, Ni and Zn have been prepared and characterized by chemical analysis, infrared spectra, thermoanalytical and combustion studies. The ...
Isolation and Synthetic Studies on Natural Products

Patel, Jivexa C.
Thermal reactivity of Dihydrazinium nitrilotriacetate

Budkuley, J.S.; Vernekar, A.V. (Thermochimica Acta. 176; 1991; 339-343.)

The reaction between nitrilotriacetic acid (NTA) and hydrazine hydrate, a strong ligand, is studied by analysing the product formed. IR absorption frequencies and the thermoanalytical properties of this new salt, dihydrazinium ...
Phase analysis of some vanadium oxides by differential scanning calorimetry

Salker, A.V. (Proc. 8. Nat. Symp. Thermal Analysis. 1991; 197-199.)

Phase transitions in Magneli type phases in V-O system were investigated by DSC. The phases with generic formula V(n)O(2n-1) showed only one phase transition but those expressed by V(n)O(2n-2) exhibited two phase changes.

Now showing items 1-20 of 1045

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