# The Feedingstuffs (Zootechnical Products) Regulations 1999, Paragraph 4


APPARATUS
4.1 Aluminium oxide column: constructed as indicated in the diagram included in this method of analysis.
4.2 Ion exchange column: constructed as indicated in the diagram included in this method of analysis.
4.3 Spectrophotometer, recording, with 10mm silica cells.

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Source: https://www.legislation.gov.uk/uksi/1999/1871/schedule/5/part/II/paragraph/4 (the official version)
Page: https://openlegislation.uk/feedingstuffs-zootechnical-products-regulations-1999/schedule-5/part-II/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.