This standard was last reviewed and confirmed in 2018. Therefore this version remains current.
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
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Status : PublishedPublication date : 1976-08
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Edition : 1Number of pages : 5
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- ICS :
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Food additives
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Acids
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Salts
Buy this standard
| Format | Language | |
|---|---|---|
| Paper |
- CHF38
Life cycle
A standard is reviewed every 5 years
Revisions / Corrigenda
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Now confirmed
ISO 3360:1976
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