• home»
  • บริการแผนทดสอบความชำนาญ»
  • Analytical Chemistry»
  • thflag  enflag

Analytical Chemistry

Food and drink
  • Determination of Caffeine in beverage

    Responsible institute Bureau of Quality and Safety of Food
    Type of participating laboratory Government and private laboratory
    Availability for participating laboratory 50 laboratories
    Type of test item caffeinate beverage ready-to-drink tea
    Amount of test item/cycle 2 samples
    Tested property or measured quantities caffeine
    Testing method Routine method of participant
    Standard series/guidelines ISO/IEC 17043
    Quality standard implementation Accredited
    Independent review /Organizer Department of Sciences Service (DSS), Thailand
    Laboratory performance evaluation consensus value
    Statistical design z-score
    Acceptable range IzI ≤ 2, 2 < IzI < 3, IzI ≥ 3
    Time for registration to PTS July to December
    Frequency of operation 1 round/year
    Annual member fee 2,000 ฿ /round
    Scheme coordinator Ms Suvannee Teerapapthamkul
    Telephone number 0 2951 0000 ext. 99630
    e-mail address suvannee.t@dmsc.mail.go.th
    Website dmsc2.dmsc.moph.go.th/webroot/BQSF/File/PTscheme.htm