{
  "url": "https://openlegislation.uk/eu-directive-1979-1067/annex-II/division-6/division-7/division-7.2",
  "json_url": "https://openlegislation.uk/eu-directive-1979-1067/annex-II/division-6/division-7/division-7.2.json",
  "legislation": "eudr/1979/1067",
  "legislation_title": "First Commission Directive of 13 November 1979 laying down Community methods of analysis for testing certain partly or wholly dehydrated preserved milk for human consumption (79/1067/EEC)",
  "legislation_url": "https://openlegislation.uk/eu-directive-1979-1067",
  "path": "annex/II/division/6/division/7/division/7.2",
  "kind": "division",
  "number": "7.2",
  "heading": "Values of the inversion factor Q",
  "text": "The following formulae give accurate values for Q, for various sources of light with corrections for concentration and temperature:\nSodium light and polarimeter with angular degrees:\nQ 0,8825 + 0,0006 (C — 9) — 0,0033 (T — 20).\nMercury green light and polarimeter with angular degrees:\nQ 1,0392 + 0,0007 (C — 9) — 0,0039 (T — 20).\nWhite light with dichromate filter and saccharimeter with international sugar scale degrees:\nQ 2,549 + 0,0017 (C — 9) — 0,0095 (T — 20).\nIn the above formulae:\nC Percentage of total sugars in the inverted solution as polarized,\nT Temperature of the inverted solution in the polarimetric reading.\nNote 1:\nThe percentage of total sugars C in the inverted solution may be calculated from the direct reading and the change on inversion in the usual manner, using the usual values for the specific rotations of sucrose, lactose and invert sugar.\nThe correction 0,0006 (C — 9) etc., is only accurate when C is approximately 9; for normal condensed milk, this correction can be neglected, C being close to 9.\nNote 2:\nVariation in temperature from 20 oC of 1 oC makes little difference in the direct reading, but variation of over 0,2 oC in the invert reading necessitates a correction. The correction - 0,0033 (T — 20) etc., is only accurate between 18 oC and 22 oC.",
  "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/1979/1067/annex/II/division/6/division/7/division/7.2",
    "retrieved_at": "2026-11-01T15:23:41.103022+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."
}