# Fertilisers (Sampling and Analysis) Regulations (Northern Ireland) 1996, Chapter 9f.: EXTRACTION OF PHOSPHORUS BY ALKALINE AMMONIUM CITRATE (PETERMANN'S METHOD) AT AMBIENT TEMPERATURE




---
Source: https://www.legislation.gov.uk/nisr/1996/513/schedule/2/part/I/chapter/9f. (the official version)
Page: https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996/schedule-2/part-I/chapter-9f.
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.