{
  "url": "https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996/schedule-2/part-I/chapter-14f./paragraph-6",
  "json_url": "https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996/schedule-2/part-I/chapter-14f./paragraph-6.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/14f./paragraph/6",
  "kind": "paragraph",
  "number": "6",
  "heading": "EXPRESSION OF RESULTS",
  "text": "Express the result of the analysis as the percentage of chlorine contained in the sample as received for analysis.\nCalculate the percentage of chlorine (Cl) content from the formula:\nCl%=0.03545×T×(V5-V4)×100m where:\nT is the molarity of silver nitrate solution used;\nV4 is the result, in ml, of the blank test (5.2);\nV5 is the value, in ml, of Veq corresponding to the determination (5.4);\nm is the mass, in grams, of the test portion.\nTABLE 1\nExample\nVolume of the silver nitrate solution V\nPotential E\nΔ1E\nΔ2E\nml\nmv\n4.80\n176\n35\n4.90\n211\n+37\n72\n5.00\n283\n−49\n23\n5.10\n306\n−10\n13\n5.20\n319\nVeq=4.9+0.1×3737+49=4.943",
  "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/14f./paragraph/6",
    "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."
}