Codes & Standards - Purchase
ISO 6632:1981
Fruits, vegetables and derived products -- Determination of volatile acidity
SKU: iso_013049_105356
Published by ISO
Publication Year 1981
1 Edition
9 pages
Product Details
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.