1. CMU Intellectual Repository

Browsing by Author Watsaka Siriangkhawut

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 1 to 17 of 17
Issue DateTitleAuthor(s)
1-May-2022Article 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; Kraingkrai Ponhong
1-Feb-2020A Cost-Effective Spectrophotometric Method Based on Enzymatic Analysis of Jackfruit Latex Peroxidase for the Determination of Carbaryl and Its Metabolite 1-Napthol Residues in Organic and Chemical-Free VegetablesPirom Didpinrum; Kraingkrai Ponhong; Watsaka Siriangkhawut; Sam ang Supharoek; Kate Grudpan
2009Development of sequential injection voltammetry and size exclusion chromatography for assisting in metal ion speciation = การพัฒนาซีเควนเชียลอินเจคชันโวลแทมเมตรีและไซส์เอ็กซ์คลูชันโครมาโทกราฟีเพื่อช่วยในการทำสเปซิเอชันของไอออนโลหะ / Watsaka SiriangkhawutWatsaka Siriangkhawut
11-Jul-2022Dual determination of nitrite and iron by a single greener sequential injection spectrophotometric system employing a simple single aqueous extract from Areca catechu Linn. serving as a natural reagentKraingkrai Ponhong; Watsaka Siriangkhawut; Chang Young Lee; Norio Teshima; Kate Grudpan; Sam Ang Supharoek
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
1-Jul-2013Flow-Batch Method with a Sequential Injection System for Spectrophotometric Determination of Selenium(IV) in Selenium-Enriched Yeast Using o-PhenylenediamineYaowalak Khanhuathon; Watsaka Siriangkhawut; Piyanete Chantiratikul; 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
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-Jun-2011Sequential injection anodic stripping voltammetry with monosegmented flow and in-line UV digestion for determination of Zn(II), Cd(II), Pb(II) and Cu(II) in water samplesWatsaka Siriangkhawut; Kate Grudpan; Jaroon Jakmunee
15-Sep-2009Sequential injection monosegmented flow voltammetric determination of cadmium and lead using a bismuth film working electrodeWatsaka Siriangkhawut; Somkid Pencharee; Kate Grudpan; Jaroon Jakmunee
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 1 to 17 of 17