{
  "url": "https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996/schedule-2/part-I/chapter-26g./paragraph-7",
  "json_url": "https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996/schedule-2/part-I/chapter-26g./paragraph-7.json",
  "legislation": "nisr/1996/513",
  "legislation_title": "Fertilisers (Sampling and Analysis) Regulations (Northern Ireland) 1996",
  "legislation_url": "https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996",
  "path": "schedule/2/part/I/chapter/26g./paragraph/7",
  "kind": "paragraph",
  "number": "7",
  "heading": "EXPRESSION OF RESULTS",
  "text": "1 ml of standard sodium thiosulfate solution (4.5) corresponds to 2 mg Cu.\nThe percentage of copper in the fertiliser is given by:\nCu(%)=X×—————Va×M×5 where:\nX is the volume in ml of the sodium thiosulfate solution used;\nV is the volume in ml of the extract solution in accordance with Methods 26a and 26b;\na is the volume in ml of the aliquot portion;\nM is the mass in g of the test sample treated in accordance with Methods 26a or 26b.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/1996/513/schedule/2/part/I/chapter/26g./paragraph/7",
    "retrieved_at": "2026-10-29T02:32:40.012993+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}