Chemical Interlaboratory Comparison 2025

For more than 20 years SGF has offered an interlaboratory test on chemical parameters for its members and partners. Use this site for registration in case you like to participate in the next round.

If laboratories from two or more sites of the same company group participate, every laboratory must register individually with own contact and email-address. The applied data platform (ODIN) cannot handle the same contact/email-address for more than one laboratory.

Deadline for registration: 31 March 2025

Timeframe for testing (estimated): Middle of May 2025

Matrix: Apple Juice from Concentrate

Questions regarding registration and payment can be sent to info@sgf.org
Other questions can be sent to peter@sgf.org.

Parameters:

  • relative density 20/20
  • Brix
  • titrat. acidity expr. as citric acid pH 8.1
  • pH-value
  • Glucose
  • Fructose
  • Sucrose
  • L-malic acid
  • Citric acid
  • Total lactic acid
  • Ascorbic acid
  • Potassium
  • Calcium
  • Magnesium
  • Sodium
  • Nitrate
  • phosphorus expressed as phosphate
  • Formol number
  • D-sorbitol_(enzymatic) or Sorbitol (HPLC)
  • Hdroxymethylfurfural (HMF)
  • Free choice of methods, however IFU methods are recommended.

    free of charge

    Chemical Interlaboratory Comparison 2025 - SGF Member

    Chemical Interlaboratory Comparison 2025 - SGF Member

    free

    Chemical Interlaboratory Comparison 2025 - Member of either QUALIJUS, BSDA or SEAZN

    Chemical Interlaboratory Comparison 2025 - Member of either QUALIJUS, BSDA or SEAZN

    free

    Chemical Interlaboratory Comparison 2025 - Cooperation Partner (Commercial Laboratories, Research Institutes, Universities)

    Chemical Interlaboratory Comparison 2025 - Cooperation Partner (Commercial Laboratories, Research Institutes, Universities)

    free

    subject to charge

    Chemical Interlaboratory Comparison 2025 - Neither member nor cooperation partner (subject to charge)

    Chemical Interlaboratory Comparison 2025 - Neither member nor cooperation partner (subject to charge)

    €440.00 plus 19% VAT