00.98 Jan 20, 2025
ISO
ISO/TC 34/SC 3
International Standard
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.
PUBLISHED
ISO 6632:1981
ABANDON
ISO/PWI 6632
00.98
Proposal for new project abandoned
Jan 20, 2025