# The Feedingstuffs (Zootechnical Products) Regulations 1999, Paragraph 1


SCOPE AND FIELD OF APPLICATION
The method is for the determination of the quantity of nifursol in complete feeding stuffs, protein concentrates and feed supplements. Other substances that will provide a nitro group under the conditions of the method, e.g. nitrofurazone and furazolidone, will interfere. The lower limit of the determination is 20mg/kg.

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Source: https://www.legislation.gov.uk/uksi/1999/1871/schedule/5/part/III/paragraph/1 (the official version)
Page: https://openlegislation.uk/feedingstuffs-zootechnical-products-regulations-1999/schedule-5/part-III/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.