Molybdenum content in sea water and seaweeds from Saurashtra coast

Ch.K. Rao


Molybdenum content has been estimated in sea water and 27 marine algal species. The ranges of Mo in sea water and seaweeds was found to be 9.86-10.87 mu and 0.08-1.01 mg. kg-1 dry wt. respectively. Molybdenum to salinity ratios (Mo: Sppt) in sea water are in the range of 0.280-0.305. The observed differences in Mo: S ppt is attributed to the biological utilisation of Mo. Its narrow range of distribution in sea water and in seaweeds presumably indicate the relatively less biogeochemical reactivity of this micronutrient in marine environment. The three green algae Caulerpa scalpelliformis. Ulva lactuca and Codium dwarkense investigated do not show any definite trend in the bioaccumulation of Mo with their age


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