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ORE at CSIR-Institute of Minerals and Materials Technology: Recent submissions

Now showing items 3271-3280 of 3828

Ionic mass transfer studies in fluidized beds with coaxially placed discs on a rod as internal

Ravi, T.; Rao, B.S.; Krishna, P.G.; Venkateswarlu, P. (Chemical Engineering And Processing, 35(3), 1996: 187-193)

Mass transfer data were obtained on the walls of the fluidized beds using an electrochemical technique with a potassium ferri-ferro cyanide couple. The disc promoter assembly was used as internal in fluidized beds, and ...
Thermal studies on isolated and purified lignin

Rohella, R.S.; Sahoo, N.; Paul, S.C.; Choudhury, S.; Chakravortty, V. (Thermochimica Acta, 287(1), 1996: 131-138)

The isolation, purification and characterisation of pure lignin, extracted from black liquor obtained from a large pulp and paper mill, are reported. The ultimate analysis of the purified lignin, resulting in 0.3% ash ...
Studies on PO4 (3-)/ZrO2 .1. Effect of H3PO4 on textural and acidic properties of ZrO2

Parida, K.M.; Pattnayak, P.K. (Journal Of Colloid And Interface Science, 182(2), 1996: 381-387)

A series of PO43-/ZrO2 samples with PO43- loading in the range 2.24 to 37.5 wt% have been prepared (by impregnation of H3PO4 with Zr(OH)4 and calcination) and characterized by chemical analysis, XRD, FTIR, nitrogen ...
Kinetics and mechanism of electroless deposition of copper

Mishra, K.G.; Paramguru, R.K. (Journal Of The Electrochemical Society, 143(2), 1996: 510-516)

This paper describes investigations on the role of electrolyte composition on the mechanism of the electroless copper deposition process. Both potentiostatic and galvanostatic polarization curves as well as steady-state ...
Studies on Indian ocean manganese nodules .5. Physicochemical characteristics and catalytic activity of rare earth oxide mixed manganese nodules

Parida, K.M.; Sahoo, A.K.; Das, N.N. (Journal Of Colloid And Interface Science, 183(2), 1996: 374-379)

A series of rare earth oxide mixed manganese nodules (perovskite type mixed oxides) have been prepared by coprecipitation method followed by calcination at 900 degrees C and characterized by different techniques. The effect ...
Transition metal oxide pillared clay .1. A comparative study of textural and acidic properties of Fe(III) pillared montmorillonite and pillared acid activated montmorillonite

Mishra, T.; Parida, K.M.; Rao, S.B. (Journal Of Colloid And Interface Science, 183(1), 1996: 176-183)

Fe(III) pillared montmorillonite samples have been prepared by intercalating trinuclear acetato hydroxy-iron (III) nitrate [Fe(COOCH3)(7)OH 2H(2)O](+) NO3- between the layers of both Na-exchanged and acid-activated ...
Thermal decomposition of rare-earth-doped calcium oxalate .1. Doping with lanthanum, samarium and gadolinium

Patnaik, U.; Muralidhar, J. (Thermochimica Acta, 274, 1996: 261-272)

The thermal decomposition of calcium oxalate doped with lanthanum, samarium or gadolinium has been investigated using thermogravimetry (TG) and differential thermal analysis (DTA). The kinetics of the decomposition steps ...
Influence of fresh water influx on the ratio of Ca, Mg and F with respect to Cl in the coastal water of Orissa, east coast of India

Das, J.; Sahoo, R.K. (Indian Journal Of Marine Sciences, 25(1), 1996: 74-77)

Concentration of Ca, Mg and F with respect to chlorinity was studied in the major river mouths and coastal water of Orissa. A decreasing trend was observed in the ratio of the elements to chlorinity towards the off-shore ...
Distribution of heavy metals in the eggs and hatchlings of olive ridley sea turtle, Lepidochelys olivacea, from Gahirmatha, Orissa

Sahoo, G.; Sahoo, R.K.; Mohantyhejmadi, P. (Indian Journal Of Marine Sciences, 25(4), 1996: 371-372)

Shell and yolk-albumen of fresh eggs, hatched egg shells and newly emerged hatchlings of olive ridley sea turtle, Lepidochelys olivacea, along with eight nesting beach sand samples showed higher iron, zinc and lead ...
Preparation of lanthanum-beta-alumina with high surface area by a homogeneous precipitation method for use as catalyst support

Parida, K.M.; Das, J.; Rao, S.B. (Indian Journal Of Engineering And Materials Sciences, 3(2), 1996: 79-82)

Samples containing mixtures of 5 mol % La2O3 and 95 mol % Al2O3 were prepared by homogeneous precipitation method with or without the presence of various anions, and calcined at different temperatures in the range of ...

Now showing items 3271-3280 of 3828

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