{
  "url": "https://openlegislation.uk/plastic-materials-and-articles-in-contact-with-food-regulations-1998/schedule-4/part-II/paragraph-4",
  "json_url": "https://openlegislation.uk/plastic-materials-and-articles-in-contact-with-food-regulations-1998/schedule-4/part-II/paragraph-4.json",
  "legislation": "uksi/1998/1376",
  "legislation_title": "The Plastic Materials and Articles in Contact with Food Regulations 1998",
  "legislation_url": "https://openlegislation.uk/plastic-materials-and-articles-in-contact-with-food-regulations-1998",
  "path": "schedule/4/part/II/paragraph/4",
  "kind": "paragraph",
  "number": "4",
  "heading": null,
  "text": "The fatty food simulants referred to in the Table are—\n(a) corn oil with standardised specifications;\n(b) sunflower oil the characteristics of which are—\nIodine value (Wijs) = 120 to 145\nRefractive index at 20°C = 1.474 to 1.476\nSaponification number = 188 to 193\nRelative density at 20°C = 0.918 to 0.925\nUnsaponifiable matter = 0.5% to 1.5%; and\n(c) a synthetic mixture of triglycerides the composition of which is as follows—\n(i) fatty acid distribution\nNo. of C-atoms in fatty acid residue\n6\n8\n10\n12\n14\n16\n18\nothers\nGLC area (%)\n∼1\n6–9\n8–11\n45–52\n12–15\n8–10\n8–12\n<=1\n(ii) purity\nContent of monoglycerides (enzymatically)\n<=0.2%\nContent of diglycerides (enzymatically)\n<=2.0%\nUnsaponifiable matter\n<=0.2%\nIodine value (Wijs)\n<=0.1%\nAcid value\n<=0.1%\nWater content (K. Fischer)\n<=0.1%\nMelting point\n28 ± 2°C\n(iii) typical absorption spectrum (thickness of layer: d = 1 cm; Reference: water at 35°C)\nWavelength (nm)\n290\n310\n330\n350\n370\n390\n430\n470\n510\nTransmittance (%)\n∼2\n∼15\n∼37\n∼64\n∼80\n∼88\n∼95\n∼97\n∼98\nAt least 10% light transmittance at 310 nm",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "am (E)",
      "affecting": "uksi/2005/325",
      "affecting_title": "The Plastic Materials and Articles in Contact with Food (Amendment) (England) Regulations 2005"
    },
    {
      "type": "am (W)",
      "affecting": "wsi/2005/1649",
      "affecting_title": "The Plastic Materials and Articles in Contact with Food (Amendment) (No. 2) (Wales) Regulations 2005"
    },
    {
      "type": "am (S)",
      "affecting": "ssi/2005/92",
      "affecting_title": "The Plastic Materials and Articles in Contact with Food Amendment (Scotland) Regulations 2005"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1998/1376/schedule/4/part/II/paragraph/4",
    "retrieved_at": "2026-10-29T11:28:07.252534+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."
}