Vol. 13 No. 1 (2024): January - June 2024

Research article

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  The effect of rotation and force misalignment of standard load cell on tension/compression testing machine calibration

  Kraisak Yuenyoung, Pisit Hormchoey, Wichai Khanjanapat

  12-26

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  Automated calibration system for a digital thermo-hygrometer using image processing approaches and wireless communication

  Jettana Tongbai

  27-36

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  Determination of primary aromatic amines in food contact materials by ultra-high performance liquid chromatography-tandem mass spectrometry

  Jutathip Lapviboonsuk, Patnipa Wongpichai, Sompop Lapviboonsuk

  37-51

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  The performance test of single-use medical masks: physical characteristics

  Sornsawan Sidthipong, Siva Sitthipong, Nuttapong Niljrusvanit, Nattapon Pornnumpa, Phairote Sungkhaphaitoon, Chaiyoot Meengam

  52-65

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  The effect of material pretreatment, substrate content, enzyme concentration and extraction time on yield of soluble dietary fiber from asparagus by-product

  ํYuttasak Subkaree, Rewadee Meesat

  66-78

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  Method validation for simultaneous determination of heavy metals (Hg, Cd, As and Pb) at trace concentration levels in kratom leaves

  Tharinee Sridara, Saijit Daosukho, Subongkoch Subtaeng, Weera Suanthaisong

  79-91

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