ISO 6491:1998

Published (Edition 2, 1998)

This standard was last reviewed and confirmed in 2019. Therefore this version remains current.

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Abstract

This International Standard specifies a spectrometric method for the determination of the phosphorus content of

animal feeding stuffs.

The method is applicable to animal feeding stuffs with a phosphorus content less than 50 g/kg. It is particularly

appropriate for the analysis of products with low phosphorus content. For products with higher phosphorus content,

application of a gravimetric method is advised, using for instance quinoline phosphomolybdate.

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