# Fertilisers (Sampling and Analysis) Regulations (Northern Ireland) 1996, Paragraph 4: REAGENTS


4.1 Diluted hydrochloric acid (HCl) solution, about 6 M
Mix 1 volume of hydrochloric acid (r = 1.18 g/ml) with 1 volume of water.

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Source: https://www.legislation.gov.uk/nisr/1996/513/schedule/2/part/I/chapter/26b./paragraph/4 (the official version)
Page: https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996/schedule-2/part-I/chapter-26b./paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.