DETERMINATION OF Zn, Fe, & Cu IN SOIL (Lindsay and Norvell,1978 Method)

       DETERMINATION OF Zn, Fe, & Cu IN SOIL

       (Lindsay and Norvell,1978 Method)

Procedure:

Take 10 gm of Soil Sample in 100 ml of Conical Flask

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Add 20 ml Dietheline Triamine Penta Acetic Acid (DTPA) and Maintain pH 7.3 with HCL & NaOH

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Shake for 2.30 Hours

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Filter into 100 ml of Beaker through Whatman paper No. 41

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Take Reading by Atomic Absorption Spectrophotometer (AAS) of the Filtrate