Metals which have high molecular weight and density higher than water are called heavy metals occurs naturally in earth crust. They are widely distributed in environment due to their multiple applications in agriculture, industry and medicines. According to some literature these metals are also called trace metals because of presence in minute amount in environment ranges to less than 10ppm.There are many factors like temperature, sequestration, adsorption and phase association which influence the bioavailability of metals. Metals are different types such as molybdenum (Mo), nickel (Ni), selenium (Se) and zinc (Zn) and lead (Pb) etc. which have different physiological and biochemical functions.These micronutrients show deficiency syndromes due to inadequate supply (1).

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Edward Bowditch Ltd
Exstowe, Exton, Exeter, EX3 0PP, United Kingdom

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Legal entity name: Edward Bowditch Ltd
Legal entity form: Limited company
Business correspondence address: Exstowe, Exton, Exeter, EX3 0PP
Company registration number: 04916632
VAT registration: GB834241546
Authorised representative: Mr. E. Bowditch

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Order quantity	7 to 14 business days	2 to 3 business days
First item	US$ 13.44	US$ 33.61

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