Browsing by Author "Visveswara rao, A."
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Item Alginic acid content of some of the brown seaweeds of saurashtra coast(2011-11-30T07:24:37Z) Kappanna, A.N.; Visveswara rao, A.; Mody, I.C.Item Corrosion of and its alloys in sea bittern(2011-11-24T04:34:13Z) Kappanna, A.N.; Visveswara rao, A.The corrosion of copper and its alloys in sea bittern of 32' Be has been studied. under steady conditions copper has been found to withstand corrosion better than its alloys. under aeration admiralty brass and phosphor bronze offer better resistance to attack than copper does. the presence of So4 2- in bittern has been shown to exert a retarding infiuence on the corrosion of copper and its alloys.Item Electrodeposition of magnesium on a mercury cathod(2011-11-24T04:56:54Z) Kappanna, A.N.; Visveswara rao, A.Cathod discharge potentials in the electrolysis of magnesium cloride and magnesium sulphate indicate the possibility of magnesium deposition on a mercury cathod. experiments carried out under different coditions show that magnesium is deposited. the current efficiency, however, is very low and never exceeds, under the most favourable conditions,7-8%.Item Preparation & properties of agar agar from indian seaweeds(2011-11-30T06:08:22Z) Kappanna, A.N.; Visveswara rao, A.