Browsing by Author "Saw Hong Loh"

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    Caffeine residue in Terengganu river basins in Malaysia: Distribution and risk assessment
    (Technoscience Publications, 2020) Wan Mohd Afiq Wan Mohd Khalik; Saw Hong Loh; Haslina Albani; Siti Aisyah Syazwani Alias; Khaeriah Ulfah Rahman
    The occurrence of caffeine residue in Malaysian waters was successfully studied. The micropollutant abundance was recorded for three selected main rivers namely Terengganu, Ibai and Setiu which are located in Terengganu, Peninsular Malaysia. Surface water samples were taken twice in September and November 2018 from 15 sampling stations. Caffeine residue was determined using the solid phase extraction technique followed by a final analysis using a high performance liquid chromatography-UV detector.