Vol. 12 No. 1 (2023): January - June 2023

Research article

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  The determination of cannabinoids in hemp beverages by ultra-high performance liquid chromatography-tandem mass spectrometry

  Jutathip Lapviboonsuk, Patnipa Wongpichai, Sompop Lapviboonsuk

  1-13

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  Development of Thailand reference material for determining some elements in green chiretta (Andrographis paniculata) powder

  Usana Leekriangkrai, Nunnapus Laitip, Sutthinun Taebunpakul, Nongluck Tangpaisarnkul

  15-26

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  A study of Nakornpathom red clay body for application in ceramic products

  Sutthima Sriprasertsuk, Saijit Daosukho

  29-41

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  Development of loading device for underwater radiation detector using at Songkhla province

  Somboon Toautachone, Sukjai Kiatisakwatana

  43-54

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  The Feasibility Study on Using Indigo Residues from the Natural Dye Extraction Process to Produce Handicraft Paper

  Jarawee Leksuksri, Korpong Hongsri, Theerat Ardsamang

  57-63

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  Method validation for determination of manganese, zinc, nickel, chromium,molybdenum, cadmium and lead released from aluminium cooking utensils

  jitwilai Waluvanaruk, Wandee Luesaiwong

  65-73

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  The development of test method for determination of lead in aluminium and aluminium alloy by inductively coupled plasma optical emission spectrometry

  Weera Suanthaisong, Vanut Tapaopong, Joy Phewsa-ard

  75-83

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