{
  "url": "https://openlegislation.uk/eu-directive-1985-490/annex/division-3/division-A/division-5/division-5.3/division-5.3.4",
  "json_url": "https://openlegislation.uk/eu-directive-1985-490/annex/division-3/division-A/division-5/division-5.3/division-5.3.4.json",
  "legislation": "eudr/1985/490",
  "legislation_title": "Fourth Commission Directive of 11 October 1985 on the approximation of the laws of the Member States relating to methods of analysis necessary for checking the composition of cosmetic products (85/490/EEC)",
  "legislation_url": "https://openlegislation.uk/eu-directive-1985-490",
  "path": "annex/division/3/division/A/division/5/division/5.3/division/5.3.4",
  "kind": "division",
  "number": "5.3.4",
  "heading": "Observe under the light from a UV lamp adjusted to a wavelength of 360 nm. Quinine appears as a fluorescent intense blue spot.",
  "text": "By way of example the table below gives the values of the RF of the main alkaloids related to quinine when developed with solvent 3.2.\nAlkaloid\nRF\nQuinine\n0,20\nQuinidine\n0,29\nCinchonine\n0,33\nCinchonidine\n0,27\nHydroquinidine\n0,17",
  "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/1985/490/annex/division/3/division/A/division/5/division/5.3/division/5.3.4",
    "retrieved_at": "2026-11-01T15:23:35.079616+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."
}