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ISO 6638-1:1985

Fruit and vegetable products -- Determination of formic acid content -- Part 1: Gravimetric method

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Abstract

The method consists in quantitative entraining by steam of the acid present in a test portion and reducing of mercury(II)chloride by the acid to mercury(I)chloride, followed by determing of the acid content from the yield of the mercury(I)chloride.

 

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