{
  "url": "https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996/schedule-2/part-I/chapter-24./paragraph-7",
  "json_url": "https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996/schedule-2/part-I/chapter-24./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/24./paragraph/7",
  "kind": "paragraph",
  "number": "7",
  "heading": "PREPARATION OF SOLUTIONS TO BE MEASURED",
  "text": "Depending upon the expected sodium content of the extraction solution as in method 15 or 17 (5 g of fertiliser in 500 ml), carry out the dilutions in accordance with the following table:\nIntermediate dilution\nFinal dilution\nNa2O (%)\nNa (%)\nSample (ml) (v2)\nDilution to ml (v3)\nSample (ml) (v4)\nDilution to ml\nDegree of dilution\n3-5\n2.2-3.7\n10\n50\n10\n100\n50\n5-10\n3.7-7.4\n10\n100\n10\n100\n100\n10-20\n7.4-15\n10\n100\n5\n100\n200\n20-38\n15-28\n5\n100\n5\n100\n400\nMake up the intermediate dilution with water. For the final dilution add 10 ml of the solution (4.5) to the 100 ml graduated flask.\nFor a test sample of 1 g multiply the volume of the final dilution (v4) by five.",
  "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/24./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."
}