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Browsing by Author Somchai Lapanantnoppakhun

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Issue DateTitleAuthor(s)
1-Nov-2010The case for the use of unrefined natural reagents in analytical chemistry - A green chemical perspectiveKate Grudpan; Supaporn Kradtap Hartwell; Somchai Lapanantnoppakhun; Ian McKelvie
1-Sep-2009Cathodic stripping voltammetric procedure for determination of some inorganic arsenic species in water, soil and ores samplesJaroon Junsomboon; Ponlayuth Sooksamiti; Kate Grudpan; Somchai Lapanantnoppakhun; Prasak Thavornyuthikarn; Jaroon Jakmunee
1-Jun-2019A compact hydrodynamic sequential injection system for consecutive on-line determination of phosphate and ammoniumWanpen Khongpet; Somkid Pencharee; Chanida Puangpila; Supaporn Kradtap Hartwell; Somchai Lapanantnoppakhun; Jaroon Jakmunee
14-Feb-2020A compact multi-parameter detection system based on hydrodynamic sequential injection for sensitive determination of phosphate, nitrite, and nitrate in water samplesWanpen Khongpet; Pattama Yanu; Somkid Pencharee; Chanida Puangpila; Supaporn Kradtap Hartwell; Somchai Lapanantnoppakhun; Yutdanai Yodthongdee; Autchara Paukpol; Jaroon Jakmunee
1-Jan-2019Determination of inorganic arsenic by anodic stripping voltammetry with gold nanoparticles modified screen-printed carbon electrode and anion exchange column preconcentrationPipoon Boonpeng; Ponlayuth Sooksamiti; Somchai Lapanantnoppakhun; Jaroon Jakmunee
2019Determination of Inorganic Arsenic by Anodic Stripping Voltammetry with Gold Nanoparticles Modified Screen-printed Carbon Electrode and Anion Exchange Column PreconcentrationPipoon Boonpeng; Ponlayuth Sooksamiti; Somchai Lapanantnoppakhun; Jaroon Jakmunee
1-Jan-2014Electrochemical deposition of platinum and palladium on gold nanoparticles loaded carbon nanotube support for oxidation reactions in fuel cellSurin Saipanya; Somchai Lapanantnoppakhun; Thapanee Sarakonsri
1-Aug-2007Enhancing chemical analysis with signal derivatization using simple available software packagesKritsana Jitmanee; Jaroon Jakmunee; Somchai Lapanantnoppakhun; Sunanta Wangkarn; Norio Teshima; Tadao Sakai; Gary D. Christian; Kate Grudpan
15-Jan-2018Exploiting an automated microfluidic hydrodynamic sequential injection system for determination of phosphateWanpen Khongpet; Somkid Pencharee; Chanida Puangpila; Supaporn Kradtap Hartwell; Somchai Lapanantnoppakhun; Jaroon Jakmunee
15-Jun-2011Exploiting green analytical procedures for acidity and iron assays employing flow analysis with simple natural reagent extractsKate Grudpan; Supaporn Kradtap Hartwell; Wasin Wongwilai; Supara Grudpan; Somchai Lapanantnoppakhun
15-Dec-2005Exploiting sequential injection analysis with lab-at-valve (LAV) approach for on-line liquid-liquid micro-extraction spectrophotometryRodjana Burakham; Somchai Lapanantnoppakhun; Jaroon Jakmunee; Kate Grudpan
1-May-2008Flow Injection Amperometric Method with Dialysis Sample Pretreatment for Determination of Ascorbic AcidPipoon Bunpeng; Somchai Lapanantnoppakhun; Jaroon Jakmunee
1-May-2010Flow injection determination of iron ions with green tea extracts as a natural chromogenic reagentPiyanut Pinyou; Supaporn Kradtap Hartwell; Jaroon Jakmunee; Somchai Lapanantnoppakhun; Kate Grudpan
1-Jul-2013Flow Injection/Sequential Injection Chromatography: A Review of Recent Developments in Low Pressure with High Performance Chemical SeparationSupaporn Kradtap Hartwell; Alison Kehling; Somchai Lapanantnoppakhun; Kate Grudpan
14-Jan-2020Green Analytical Chemistry Experiment: Quantitative Analysis of Iron in Supplement Tablets with Vis spectrophotometry Using Tea Extract as a Chromogenic AgentSomchai Lapanantnoppakhun; Urai Tengjaroensakul; Pitchaya Mungkornasawakul; Chanida Puangpila; Sila Kittiwachana; Jeeraphithak Saengtempiam; Supaporn Kradtap Hartwell
19-Jul-2013Green analytical methodology using indian almond (terminalia catappa l.) leaf extract for determination of aluminum ion in waste water from ceramic factoriesPimporn Insain; Supada Khonyoung; Ponlayuth Sooksamiti; Somchai Lapanantnoppakhun; Jaroon Jakmunee; Kate Grudpan; Katja Zajicek; Supaporn Kradtap Hartwell
27-Oct-2009Hydrodynamic sequential injection system for a rapid dichlorophenol indophenol precipitation test for hemoglobin ESupaporn Kradtap Hartwell; Warisra Kochasit; Sutthichat Kerdphon; Jaroon Jakmunee; Somchai Lapanantnoppakhun; Torpong Sanguansermsri; Kate Grudpan
1-Jan-2014Low-pressure chromatographic separation of p-hydroxybenzoates using sequential injection with lab-on-valve system and miniature monolithic columnSupaporn Kradtap Hartwell; Alison Kehling; Somchai Lapanantnoppakhun
26-Sep-2007Online assay of bone specific alkaline phosphatase with a flow injection-bead injection systemSupaporn Kradtap Hartwell; Duangporn Somprayoon; Prachya Kongtawelert; Siriwan Ongchai; Olarn Arppornchayanon; Lucksagoon Ganranoo; Somchai Lapanantnoppakhun; Kate Grudpan
1-Jan-2017Sequential injection chromatography with an ultra-short monolithic column for the low-pressure separation ofα-tocopherol and γ-oryzanol in vegetable oils and nutrition supplementsSujitra Thaithet; Supaporn Kradtap Hartwell; Somchai Lapanantnoppakhun
Showing results 1 to 20 of 33  next >