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


Diluted hydrochloric acid:
4.1 One volume of hydrochloric acid (ρ = 1.18 g/ml) and one volume of water.
4.2 Barium chloride solution BaCl2.2H2O: 122 grams per litre.
4.3 Silver nitrate solution: 5 grams per litre.

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Source: https://www.legislation.gov.uk/nisr/1996/513/schedule/2/part/I/chapter/23./paragraph/4 (the official version)
Page: https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996/schedule-2/part-I/chapter-23./paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.