Abstract Preview

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.


General information

  • Status :  Published
    Publication date : 1981-09
  • Edition : 1
    Number of pages : 7
  • :
    ISO/TC 34/SC 3
    Fruits and vegetables and their derived products
  • 67.080.01
    Fruits, vegetables and derived products in general

Buy this standard

Format Language
PDF
Paper
  • CHF58

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information