Browsing by Author Kraingkrai Ponhong

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Showing results 1 to 11 of 11
Issue DateTitleAuthor(s)
2012Development of flow-based systems for chemical analysis involving biochemical species = การพัฒนาระบบที่อาศัยการไหลเพื่อการวิเคราะห์ทางเคมีที่เกี่ยวข้องกับสารทางชีวเคมี / Kraingkrai PonhongKraingkrai Ponhong
1-Apr-2018Employing natural reagents from turmeric and lime for acetic acid determination in vinegar sampleSam ang Supharoek; Kraingkrai Ponhong; Watsaka Siriangkhawut; Kate Grudpan
1-Jul-2016Employing peroxidase from Thai indigenous plants for the application of hydrogen peroxide assayKraingkrai Ponhong; Sam ang Supharoek; Watsaka Siriangkhawut; Kate Grudpan
15-Aug-2017A green analytical method for benzoyl peroxide determination by a sequential injection spectrophotometry using natural reagent extracts from pumpkinSam ang Supharoek; Kraingkrai Ponhong; Kate Grudpan
1-Aug-2019A green colorimetric method using guava leaves extract for quality control of iron content in pharmaceutical formulationsWatsaka Siriangkhawut; Kraingkrai Ponhong; Kate Grudpan
1-Jan-2016A green sequential injection spectrophotometric approach using natural reagent extracts from heartwood of Ceasalpinia Sappan Linn. for determination of aluminiumWatsaka Siriangkhawut; Yaowalak Khanhuathon; Piyanete Chantiratikul; Kraingkrai Ponhong; Kate Grudpan
1-Jan-2019A new method for spectrophotometric determination of carbaryl based on rubber tree bark peroxidase enzymatic reactionSam ang Supharoek; Kraingkrai Ponhong; Watsaka Siriangkhawut; Kate Grudpan
1-Jan-2015A rapid and sensitive spectrophotometric method for the determination of benzoyl peroxide in wheat flour samplesKraingkrai Ponhong; Sam Ang Supharoek; Watsaka Siriangkhawut; Kate Grudpan
15-Jul-2011Sequential injection Lab-at-valve (SI-LAV) segmented flow system for kinetic study of an enzymeKraingkrai Ponhong; Supaporn Kradtap Hartwell; Kate Grudpan
15-Dec-2011Simultaneous injection effective mixing analysis system for the determination of direct bilirubin in urinary samplesKraingkrai Ponhong; Norio Teshima; Kate Grudpan; Shoji Motomizu; Tadao Sakai
15-Jul-2012Simultaneous injection effective mixing flow analysis of urinary albumin using dye-binding reactionNuanlaor Ratanawimarnwong; Kraingkrai Ponhong; Norio Teshima; Duangjai Nacapricha; Kate Grudpan; Tadao Sakai; Shoji Motomizu