{
  "url": "https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996/schedule-2/part-I/chapter-26k./paragraph-8",
  "json_url": "https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996/schedule-2/part-I/chapter-26k./paragraph-8.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/26k./paragraph/8",
  "kind": "paragraph",
  "number": "8",
  "heading": "EXPRESSION OF RESULTS",
  "text": "See Method 26d (8).\nThe percentage of zinc in the fertiliser is given by:\nZn(%)=[(xs-xb)×V×D]/(M×104) If Method 26c has been used:\nZn(%)=[(xs-xb)×V×2D]/(M×104) where:\nZn is the quantity of zinc expressed as a percentage of the fertiliser;\nxs is the concentration in μg/ml of the test solution;\nxb is the concentration in μg/ml of the blank solution;\nV is the volume in ml of the extract solution obtained in accordance with Methods 26a or 26b;\nD is the factor corresponding to the dilution performed in (6.2);\nM is the mass in g of the test sample taken in accordance with Methods 26a or 26b.\nCalculation of the dilution factor D: if (a1), (a2), (a3), . . . , (ai) and (a) are successive aliquot portions and (v1), (v2), (v3), . . . , (vi) and (100) are the volumes in ml corresponding to their respective dilutions, the dilution factor D will be:\nD=(v1/a1)×(v2/a2)×(v3/a3)x . . . x (vi/ai)×(100/a).",
  "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/26k./paragraph/8",
    "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."
}