Abstract Preview

Destruction of the organic substances by digestion with a sulpho-nitric mixture and conversion of phosphates to orthophosphates. Formation of a phosphomolybdate. Measurement of the intensity of the blue colour at a wavelength of 825 nm. The method applies to contents up to 5 % (m/m).

General information

  • Status :  Published
    Publication date : 1982-12
  • Edition : 1
    Number of pages : 3
  • :
    ISO/TC 93
    Starch (including derivatives and by-products)
  • 67.180.20
    Starch and derived products

Buy this standard

Format Language
  • CHF38

Life cycle

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.