Fruit and vegetable products. Determination of ash insoluble in hydrochloric acid

Fruit and vegetable products. Determination of ash insoluble in hydrochloric acid

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1   Scope

This International Standard specifies a method for the determination of the hydrochloric-acid-insoluble ash yielded by fruit and vegetable products.
The method serves for the determination of siliceous impurities, together with the silica endogenous to the plant.

NOTE A method for the determination of mineral impurities generally originating from the soil is specified in ISO 7621).