# Fertilisers (Sampling and Analysis) Regulations (Northern Ireland) 1996, Paragraph 5: APPARATUS


5.1 Filter crucibles with a porosity of 5 to 20 microns.
5.2 Oven regulated at 120 ± 10°C.

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Source: https://www.legislation.gov.uk/nisr/1996/513/schedule/2/part/I/chapter/11./paragraph/5 (the official version)
Page: https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996/schedule-2/part-I/chapter-11./paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.