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Browsing by Author Kraingkrai Ponhong

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Issue DateTitleAuthor(s)
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-Sep-2020A new spectrophotometric method based on peroxidase enzymatic reaction to determine tetracycline in pharmaceutical and water samplesSam ang Supharoek; Kraingkrai Ponhong; Bordin Weerasuk; Watsaka Siriangkhawut; Kate Grudpan
25-Oct-2021A newly designed sticker-plastic sheet platform and smartphone-based digital imaging for protein assay in food samples with downscaling Kjeldahl digestionPirom Didpinrum; Watsaka Siriangkhawut; Kraingkrai Ponhong; Piyanete Chantiratikul; Kate Grudpan
15-Jan-2023One-pot co-extraction of dispersive solid phase extraction employing iron-tannic nanoparticles assisted cloud point extraction for the determination of tetracyclines by high-performance liquid chromatographyKamolrat Phomai; Sam ang Supharoek; Jitlada Vichapong; Kate Grudpan; Kraingkrai Ponhong
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
12-Apr-2020Small-Scale Ultrasound-Assisted Extraction of Phenolics from Pomegranate Peels and Their Application as a Natural Reagent for the Colorimetric Assay of IronWatsaka Siriangkhawut; Pirom Didpinrum; Yaowalak Khanhuathon; Kraingkrai Ponhong; Kate Grudpan
1-Sep-2022Ultrasound-Assisted One-Pot Cloud Point Extraction for Iron Determination Using Natural Chelating Ligands from Dipterocarpus intricatus Dyer FruitSam Ang Supharoek; Bordin Weerasuk; Watsaka Siriangkhawut; Kate Grudpan; Kraingkrai Ponhong
Showing results 8 to 20 of 20 < previous