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  • BSI
    BS EN 16279:2012 Animal feeding stuffs. Determination of fluoride content after hydrochloric acid treatment by ion-sensitive electrode method (ISE)
    Edition: 2012
    $313.97
    / user per year

Description of BS EN 16279:2012 2012

This European Standard specifies an Ion-Selective Electrode method (ISE) after hydrochloric acid treatment for the determination of fluoride from animal feeding stuffs. The content of fluoride (F-) corresponds to that of fluorine (F) specified in Commission Regulation (EU) 574/2011[3].

This European Standard is strictly based on several conventions such as those contained in the following example:

EXAMPLE 0,5 g test portion for extraction of fluoride from animal feeds by means of an acid treatment with 20 ml of 1 mol/l hydrochloric acid solution at ambient temperature (20 °C to 25 ºC) for 20 min. The pH is controlled and adjusted to 5,5 in the buffered test solution before determination of fluoride by ISE using standard addition technique.

The method was successfully tested in an interlaboratory study in concentrations between 100 mg/kg up to 500 mg/kg. If this method is followed strictly, then theoretically all concentrations from 40 mg/kg up to 4 000 mg/kg can be analysed within the linear calibration function.

Only for concentrations lower than 40 mg/kg is the use of an interpolation technique required instead of standard addition Annex C.

The quantification limit for fluoride using the conventions of the method including the standard addition technique is 40 mg/kg or lower than 2,5 mg/kg when using interpolation Annex C.



Standard NumberBS EN 16279:2012
TitleAnimal feeding stuffs. Determination of fluoride content after hydrochloric acid treatment by ion-sensitive electrode method (ISE)
StatusConfirmed
Publication Date2012-07-31
Identical National Standard OfEN 16279:2012
DescriptorsChemical analysis and testing, Animal feed, Liquid chromatography, Contaminant determination (food), Determination of content, Food products
ICS65.120 Animal feeding stuffs
CommitteeAW/10
ISBN978 0 580 67000 8
PublisherBSI
Pages22

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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