ISO 6632:1981

Fruits, vegetables and derived products — Determination of volatile acidity

OVERVIEW

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.

COMMENTS

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PRODUCT DETAILS

Status Current
Edition 1981
No. of Pages 9
ICS Classification 67.080.01 Fruits, vegetables and derived products in general
Committee ISO/TC 34/SC 3
Available for Purchase For sale in Singapore only
Adoption ISO