Standard

ISO 3360:1976

Aug 1976 Published

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Language English

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Abstract

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.

Document information

Standard from ISO
Published: 1 August 1976
Edition: 1
Version: 1
Document type: IS
ISBN:

ICS 67.220.20
ICS 71.060.30
ICS 71.060.50
ISO TC ISO/TC 47

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Referred by: NS-EN 1197:2006
Referred by: NS-EN 15040:2006

ISO 3360:1976

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Abstract

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Abstract

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