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Talanta|May 29, 2017
A green analytical method for benzoyl peroxide determination by a sequential injection spectrophotometry using natural reagent extracts from pumpkinSam-Ang Supharoek, Kraingkrai Ponhong, Kate GrudpanTalanta|June 8, 2011
Sequential injection Lab-at-valve (SI-LAV) segmented flow system for kinetic study of an enzymeKraingkrai Ponhong, Supaporn Kradtap Hartwell, Kate GrudpanJournal of Food and Drug Analysis|March 24, 2018
Employing natural reagents from turmeric and lime for acetic acid determination in vinegar sampleSam-Ang Supharoek, Kraingkrai Ponhong, Watsaka Siriangkhawut, et al.Journal of Food and Drug Analysis|October 9, 2017
Quality assessment of trace Cd and Pb contaminants in Thai herbal medicines using ultrasound-assisted digestion prior to flame atomic absorption spectrometryWatsaka Siriangkhawut, Patcharee Sittichan, Kraingkrai Ponhong, et al.Journal of Food and Drug Analysis|September 16, 2017
A rapid and sensitive spectrophotometric method for the determination of benzoyl peroxide in wheat flour samplesKraingkrai Ponhong, Sam-Ang Supharoek, Watsaka Siriangkhawut, et al.Molecules (Basel, Switzerland)|May 28, 2022
A Simple and Reliable Dispersive Liquid-Liquid Microextraction with Smartphone-Based Digital Images for Determination of Carbaryl Residues in Andrographis paniculata Herbal Medicines Using Simple Peroxidase Extract from Senna siamea Lam. BarkSam-Ang Supharoek, Watsaka Siriangkhawut, Kate Grudpan, et al.Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry|March 11, 2016
A Green Sequential Injection Spectrophotometric Approach Using Natural Reagent Extracts from Heartwood of Ceasalpinia sappan Linn. for Determination of AluminiumWatsaka Siriangkhawut, Yaowalak Khanhuathon, Piyanete Chantiratikul, et al.Molecules (Basel, Switzerland)|September 9, 2022
Ultrasound-Assisted One-Pot Cloud Point Extraction for Iron Determination Using Natural Chelating Ligands from Dipterocarpus intricatus Dyer FruitSam-Ang Supharoek, Bordin Weerasuk, Watsaka Siriangkhawut, et al.RSC Advances|May 2, 2022
A 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, et al.Talanta|November 22, 2011
Simultaneous injection effective mixing analysis system for the determination of direct bilirubin in urinary samplesKraingkrai Ponhong, Norio Teshima, Kate Grudpan, et al.Pageof 3