In this article we will discuss about the gravimetric method for estimation of sulphate in plants. Principle: Sulphate is precipitated as barium sulphate in hydrochloric acid medium by the addition of barium chloride solution. The reaction is carried out near the boiling temperature. The precipitate is filtered and washed to remove the chlorides, then dried […]
Estimation of Sulphate by Gravimetric Method | Plants
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Estimation of Acid Phosphatase | Enzyme Activity
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In this article we will discuss about the tests for estimation of acid phosphatase in plants. Principle: The enzyme phosphatase hydrolyzes p-nitro-phenol phosphate. The released p-nitro-phenol is yellow in colour in alkaline medium and is measured at 405 nm. The optimum pH for acid and alkaline phosphatases are 5.3 and 10.5, respectively. Materials: (i) Sodium […]
Estimation of Acetylcholine Esterase | Enzyme Activity
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In this article we will discuss about the tests for estimation of acetylcholine esterase in plants. Principle: The hydrolysed acetylcholine per unit time is measured by comparison of the initial concentration in a reference tube with the final concentration in the experimental tube. Acetylcholine is made to react with hydroxylamine to form the corresponding acylhydroxamic […]
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