ISO 5522:1981 (R2022)
Active , Reaffirmed Standard
Most Recent

ISO 5522:1981 (R2022)

Fruits, vegetables and derived products — Determination of total sulphur dioxide content

Summary

The method consists in acidifying and heating a test portion, entraining, in a current of nitrogen, the gas liberated, absorbing and oxidizing the gas by bubbling it through a neutral, dilute hydrogen peroxide solution, then determining the sulphuric acid thus formed using standard volumetric sodium hydroxide solution. Verification of the determination is described in the annexes A and B, respectively.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 09/01/1981
Confirmation Date 01/13/2022
Edition 1
Page Count 7
EAN ---
ISBN ---
Weight (in grams) ---
No products.

Previous versions

Contact us