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Analytical Chemistry

  • Identification of hydroquinone, mercury compound and retinoic acid in cosmetic products

    Responsible institute Cosmetice Chemical testing laboratory
    Type of participating laboratory Government
    Availability for participating laboratory 20 laboratories
    Type of test item Cosmetic products for face
    Amount of test item/cycle 3 samples
    Tested property or measured quantities • Hydroquinone
    • Mercury compound
    • Retinoic acid
    Testing method Routine method used by participating
    Standard series/guidelines ISO/IEC 17043
    Quality standard implementation Accredited
    Independent review /Organizer Bureau of Laboratory Accreditation, Department of Science Service, Ministry of Science and Technology
    Laboratory performance evaluation Test results should get along with PT sample as prepared
    Statistical design -
    Acceptable range Test results should get along with PT sample as prepared
    Time for registration to PTS November - December
    Frequency of operation 1 time / year
    Annual member fee 2,000 Baht
    Scheme coordinator Ms. Junya Meesri Ms. Chompookarn Thianchawanon
    Telephone number 0 2951 0000 ext. 99924
    e-mail address coshaz@dmsc.mail.go.th