Quality assessment of trace Cd and Pb contaminants in Thai herbal medicines using ultrasound-assisted digestion prior to flame atomic absorption spectrometry

por Siriangkhawut, Watsaka, Sittichan, Patcharee, Ponhong, Kraingkrai, Chantiratikul, Piyanete
Publicado 2017

A Simple and Reliable Dispersive Liquid-Liquid Microextraction with Smartphone-Based Digital Images for Determination of Carbaryl Residues in Andrographis paniculata Herbal Medicin...

por Supharoek, Sam-ang, Siriangkhawut, Watsaka, Grudpan, Kate, Ponhong, Kraingkrai
Publicado 2022

Employing natural reagents from turmeric and lime for acetic acid determination in vinegar sample

por Supharoek, Sam-ang, Ponhong, Kraingkrai, Siriangkhawut, Watsaka, Grudpan, Kate
Publicado 2017

A rapid and sensitive spectrophotometric method for the determination of benzoyl peroxide in wheat flour samples

por Ponhong, Kraingkrai, Supharoek, Sam-ang, Siriangkhawut, Watsaka, Grudpan, Kate
Publicado 2015

A newly designed sticker-plastic sheet platform and smartphone-based digital imaging for protein assay in food samples with downscaling Kjeldahl digestion

por Didpinrum, Pirom, Siriangkhawut, Watsaka, Ponhong, Kraingkrai, Chantiratikul, Piyanete, Grudpan, Kate
Publicado 2021

Ultrasound-Assisted One-Pot Cloud Point Extraction for Iron Determination Using Natural Chelating Ligands from Dipterocarpus intricatus Dyer Fruit

por Supharoek, Sam-ang, Weerasuk, Bordin, Siriangkhawut, Watsaka, Grudpan, Kate, Ponhong, Kraingkrai
Publicado 2022

Dual determination of nitrite and iron by a single greener sequential injection spectrophotometric system employing a simple single aqueous extract from Areca catechu Linn. serving...

por Ponhong, Kraingkrai, Siriangkhawut, Watsaka, Lee, Chang Young, Teshima, Norio, Grudpan, Kate, Supharoek, Sam-ang
Publicado 2022

Simultaneous Preconcentration of Triazole Fungicide Residues Using In-Situ Coacervative Extraction Based on a Double-Solvent Supramolecular System Prior to High Performance Liquid...

por Buppasang, Rachaya, Palasak, Jaruwan, Kachangoon, Rawikan, Ponhong, Kraingkrai, Teshima, Norio, Burakham, Rodjana, Srijaranai, Supalax, Vichapong, Jitlada
Publicado 2022