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ISO/PWI 6632

Fruits, vegetables and derived products — Determination of volatile acidity ISO/PWI 6632

General information

00.98   Proposal for new project abandoned   Jan 20, 2025

ISO

ISO/TC 34/SC 3 Fruits and vegetables and their derived products

International Standard

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 6632:1981

NOW

ABANDON
ISO/PWI 6632
00.98 Proposal for new project abandoned
Jan 20, 2025




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