ISO 6632:1981
Fruits, vegetables and derived products; Determination of volatile acidity

Standard No.

ISO 6632:1981

Release Date

1981

Published By

International Organization for Standardization (ISO)

Latest

ISO 6632:1981

Scope

The method consists in acidifying a test portion with tartaric acid, entraining the volatile acids by steam distillation and titrating the distillate with standard volumetric sodium hydroxide solution in the presence of phenolphthalein as an indicator. The method is applicable to all fresh products, to products preserved without chemical preservatives, and to products to which sulphur dioxide has been added.

ISO 6632:1981 history

• 1981 ISO 6632:1981 Fruits, vegetables and derived products; Determination of volatile acidity