Standard Svensk standard · SS-EN 15621:2017

Djurfoder - Metoder för provtagning och analys - Bestämning av kalcium-, natrium-, fosfor-, magnesium-, kalium-, svavel-, järn-, zink-, koppar-, mangan- och kobolt efter uppslutning med ICP-AES

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Standard Svensk standard · SS-EN 15621:2017

Djurfoder - Metoder för provtagning och analys - Bestämning av kalcium-, natrium-, fosfor-, magnesium-, kalium-, svavel-, järn-, zink-, koppar-, mangan- och kobolt efter uppslutning med ICP-AES
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Omfattning
This European Standard specifies a method for the determination of the elements calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt in animal feeding stuffs by inductively coupled plasma atomic emission spectrometry (ICP-AES) after pressure digestion.
The method was fully statistically tested and evaluated for the elements calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt within the following 11 animal feeds: 2 complete feeds (pig feed, sheep feed), 3 complementary feeds (3 mineral feeds), 1 mineral premixture, 3 feed materials (MgO, phosphate, CaCO3) and 2 feed additives (CuSO4, bentonite).
For potassium and sulphur the HORRAT values were mostly higher than 2. Therefore, for these elements the method is more applicable as a screening method and not for confirmatory purposes.
Other elements like molybdenum, lead, cadmium, arsenic were not fully statistically tested and evaluated within 11 animal feeding stuff samples because these elements did not occur in concentrations higher than the limit of quantification in most of these samples. A single laboratory validation is therefore necessary for the use of this multi element method for these elements.
For the determination of extractable lead in minerals and feeds, containing phyllosilicates (e.g. kaolinite clay) wet digestion with nitric acid should be used.
The method limit of quantification for each element is dependent on the sample matrix as well as on the instrument. The method is not applicable for determination of low concentrations of elements. A limit of quantification of 1 mg/kg should normally be obtained.
NOTE 1 This method can also be used for the determination in products with high content (> 5 %) of the element to be measured, but for this purpose the accuracy of the method has to be checked individually.
NOTE 2 Results of this European Standard EN 15621 may be higher than of EN 15510 because EN ...

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Djurfoder (65.120)


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Standard Svensk standard · SS-EN 15621:2017

Djurfoder - Metoder för provtagning och analys - Bestämning av kalcium-, natrium-, fosfor-, magnesium-, kalium-, svavel-, järn-, zink-, koppar-, mangan- och kobolt efter uppslutning med ICP-AES
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Produktinformation

Språk: Engelska

Framtagen av: Djurfoder, SIS/TK 435/AG 02

Internationell titel: Animal feeding stuffs: Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES

Artikelnummer: STD-8028766

Utgåva: 2

Fastställd: 2017-09-28

Antal sidor: 52

Ersätter: SS-EN 15621:2012