The standard applies to the examination of products made from vegetables or fruit. The method cannot be applied to products where the color change of the indicator is not vis ble due to its own color or cloudiness. In that case, use NEN 2831 "Fruit and vegetable products. Determination of acidity according to the potentiometric method".
NEN 2832-1971 history
1971NEN 2832-1971 Fruit and vegetable products. Determination of acidity by indicator method