ISO 3360:1976
p
ISO 3360:1976
8646

Abstract

 Preview

Applicable to products the F content of which is equal to or more than 0.5 mg/kg. Specifies the separation of the element from a test portion by steam distillation in a phosphoric acid medium. Formation of a blue-coloured complex with a combined reagent alizarin complexone/lanthanum nitrate in a buffered medium at the pH of 4.6. Addition of acetone to increase the stability of the complex and the sensitivity. Photometric measurement of the complex at a wavelength of about 600 nm.


General information 

  •  :  Published
     : 1976-08
  •  : 1
     : 5
  •  : ISO/TC 47 Chemistry
  •  :
    67.220.20 Food additives
    71.060.30 Acids
    71.060.50 Salts

Buy this standard

en
Format Language
std 1 38 PDF
std 2 38 Paper
  • CHF38

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.