Browsing by Author Watsaka Siriangkhawut

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Issue DateTitleAuthor(s)
2009Development of sequential injection voltammetry and size exclusion chromatography for assisting in metal ion speciation = การพัฒนาซีเควนเชียลอินเจคชันโวลแทมเมตรีและไซส์เอ็กซ์คลูชันโครมาโทกราฟีเพื่อช่วยในการทำสเปซิเอชันของไอออนโลหะ / Watsaka SiriangkhawutWatsaka Siriangkhawut
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-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