{
  "url": "https://openlegislation.uk/eu-directive-1979-796/annex-II/division-3/division-4/division-4.1",
  "json_url": "https://openlegislation.uk/eu-directive-1979-796/annex-II/division-3/division-4/division-4.1.json",
  "legislation": "eudr/1979/796",
  "legislation_title": "First Commission Directive of 26 July 1979 laying down Community methods of analysis for testing certain sugars intended for human consumption (79/796/EEC)",
  "legislation_url": "https://openlegislation.uk/eu-directive-1979-796",
  "path": "annex/II/division/3/division/4/division/4.1",
  "kind": "division",
  "number": "4.1",
  "heading": null,
  "text": "Kieselguhr: place in a Buchner funnel and purify by repeated washings with dilute hydrochloric acid (1 ml of concentrated acid, density at 20 oC = 1·19 g/ml per litre of water). The treatment is complete when the washings remain definitely acid. Wash with water until the pH value of the filtered water is greater than 4. Dry in an oven at 103 ± 2 oC and store in an airtight container.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudr/1979/796/annex/II/division/3/division/4/division/4.1",
    "retrieved_at": "2026-11-01T15:23:41.440766+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."
}