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

Now showing items 3441-3450 of 3828

KINETICS AND MECHANISM OF COMPLEX-FORMATION BETWEEN O-BONDED CIS-(DIGLYCINATO)BIS(ETHYLENEDIAMINE)COBALT(III) AND ALPHA-CIS-(DIGLYCINATO)(TRIETHYLENETETRAMINE)COBALT(III) WITH NICKEL(II) IN AQUEOUS-MEDIUM

Das, N. (Transition Metal Chemistry, 18(4), 1993: 372-376)

The kinetics of reversible complexation of Ni(OH2)62+ with oxygen-bonded glycinatocobalt(III) substrates N4Co(glyH)gly2+ [N4 = (en)2 or trien; glyH = H3N+CH2COO-)] have been investigated by the stopped-flow technique in ...
USE OF TURBULENCE PROMOTERS IN AN ELECTROCHEMICAL-CELL FOR RECOVERING METAL VALUES FROM DILUTE-SOLUTIONS

Subbaiah, T.; Das, S.C.; Venkateswarlu, P.; Sarma, C.B.; Das, R.P.; Raju, G.J.V.J. (Bulletin Of Electrochemistry, 9(8-10), 1993: 530-532)

The presence of turbulence promoters in an electrochemical cell increases the intensity of local turbulence which augments limiting current density/mass transfer coefficient at the transfer surface. The level of augmentation ...
ENERGY-CONSERVATION IN COPPER REFINERY TANKS

Das, S.C.; Ray, H.S. (Bulletin Of Electrochemistry, 9(8-10), 1993: 519-522)

Electrochemical industries are highly energy intensive and the success of such processes depends upon the availability of cheap electric power. In electrolytic production of copper 50% of the energy Is consumed in tank ...
CRYSTAL-STRUCTURE AND SHADE OF IRON-OXIDE RED PIGMENTS

Prasad, T.P.; Nayak, R. (Research And Industry, 38(3), 1993: 168-169)

The shade of synthetic iron oxides varies with experimental conditions. Generally, lighter reds are obtained when alpha-FeOOH is the precipitated entity and darker (bluish) reds are obtained when the entity is gamma-FeOOH ...
RADIOACTIVE INTENSITIES OF COASTAL SEDIMENTS OF CHILKA LAKE, EAST-COAST OF INDIA

Sahu, B.K.; Pradhan, B.B.; Panigrahy, P.K. (Current Science, 64(3), 1993: 182-184)

Radioactive intensity measurements have been made on heavies of the foreshore and backshore sediments of the landward coast of the main channel of Chilka lake. The values range from 117.2 to 234.2 counts per minute and are ...
COMPLEXOMETRIC DETERMINATION OF LANTHANUM AND COBALT OR MANGANESE IN MIXED RARE-EARTH-METAL OXIDES

Das, N.N.; Rao, J.R.; Parida, K.M.; Rao, S.B. (Indian Journal Of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, 32(8), 1993: 736-738)

A rapid and highly sensitive complexometric in presence for the determination of La and Co or Mn in presence of each other mixed metal oxide catalysts has been described. Ammonium fluoride has been used to mask lanthanum.
EFFECT OF ULTRASONICATION ON THE FLOTABILITY OF GALENA

Singh, B.P. (Current Science, 64(8), 1993: 558-559)
THERMAL DEHYDRATION AND DECOMPOSITION OF NICKEL CHLORIDE HYDRATE (NICL2.XH2O)

Mishra, S.K.; Kanungo, S.B. (Journal Of Thermal Analysis, 38(11), 1992: 2417-2436)

The dehydration and decomposition characteristics of an undried and a partly dried sample of NiCl2.xH2O have been investigated by isothermal and non-isothermal (TG and DTA) methods in static air as well as flowing nitrogen ...
LOCAL MASS-TRANSFER MEASUREMENTS FROM A SUBMERGED JET PARALLEL TO A FLAT SURFACE

Krishna, P.G.; Das, S.C.; Subbaiah, T.; Das, R.P. (Journal Of Chemical Technology And Biotechnology, 55(1), 1992: 65-71)

The local mass transfer rates from a submerged vertical jet parallel to the vertical electrode surface were measured by a limiting current density technique. For these studies, the parameters considered are a plate Reynolds ...
HYDROLYSIS OF FE(OH)SO4 IN THE PRESENCE OF METALLIC IRON

Mahapatra, S.; Prasad, T.P. (Journal Of Chemical Technology And Biotechnology, 53(2), 1992: 201-203)

Hydrolysis of Fe(OH)SO4 was carried out in the presence of metallic iron in order to prevent the formation of iron(III) oxides with strongly bonded sulphate. Under the conditions of the experiment, the products were found ...

Now showing items 3441-3450 of 3828

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