The syntheses of 1,1'-dimethyl 2,2'-biimidazole (1), 1-methyl 2-(2'-pyridyl) benzimidazole (2) and 1,1'-dimethyl 2,2' bibenzimidazole (3) have been achieved by following a general PTC based methylation reaction of the ...

Magnetite ore from Pokphur region, Nagaland, invariably contains a silicate phase which is identified as chamosite. Chromium and nickel values in the ore are found to be mainly contributed by chamosite. Detailed mineragraphy ...

Acidic nickel-bearing solution containing iron, cobalt, manganese, zinc and copper was processed through a solvent extraction and precipitation technique to obtain a pure nickel sulphate solution. Iron was extracted using ...

Silicon carbide in the form of powder was prepared from boiler burnt rice husk in a new type of packed bed are reactor where the raw materials were processed in briquette form, X-ray diffraction analysis identified the ...

It has been shown that 6-nitro-DELTA5-steroids, nitrostyrene and saturated aliphatic nitro compounds in tetrahydrofuran are reduced efficiently with stannous iodide and a catalytic amount of concentrated hydrochloric acid ...