Chromatography

Brand / Model : Hewlett Packard, Agilent 7820A, Perichrome

Gas Chromatography (GC)

Application : To separate and analyze compounds that can be vaporized without decomposition using FID or TCD as detector
Analysis Range : –
Description : –
Type of sample : Gas, Liquid

    Ms. Chanokporn Sae-ung

   02-2181839

   Chanokporn.S@chula.ac.th

Gas Chromatography Simdist (GC-Simdist)

Application : To separates individual hydrocarbon components in the order of their boiling points, and is used to simulate the time‐consuming laboratory‐scale physical distillation procedure known as true boiling point (TBP) distillation
Analysis Range : –
Description : –
Type of sample : Petroleum product, crude oil

    Ms. Chanokporn Sae-ung

   02-2181839

   Chanokporn.S@chula.ac.th

Brand / Model : Varian / CP-3800

Brand / Model : Leco

Gas Chromatography - Mass Spectrometry (GCMS)

Application : To separates chemical mixtures (the GC component) and identifies the components at a molecular level (the MS component)
Analysis Range : –
Description : 1D, 2D
Type of sample : Petroleum product, Crude oil

    Ms. Chanokporn Sae-ung

   02-2181839

   Chanokporn.S@chula.ac.th

Gel Permeation Chromatography (GPC)

Application : To determine molecular weight and molecular weight distribution using water or organic solvent as mobile phase.
Analysis Range : –
Description : H2O (SB-804 HQ) THF and CHCl3 as mobile phase, RI Detector
Type of sample : Solid, Liquid

   Piyawat Sangpittayatron

   02-2181839

   Chanokporn.S@chula.ac.th

Brand / Model : Shimadzu / LC-10ADvp

Brand / Model : Shimadzu / LC-20ADvp

High Performance Liquid Chromatography (HPLC)

Application : To determine qualitatively and quantitatively of volatile and nonvolatile substances
Analysis Range : –
Description : RI, UV Detector
Type of sample : Solid, Liquid

   Piyawat Sangpittayatron

   02-2181839

   Chanokporn.S@chula.ac.th

Matrix-Assisted Laser Desorption / Ionization-Time Of Flight (MALDI-TOF)

Application : To determine molar mass distributions of polymers ina molar mass range between 100-300000 daltons. Analysis of end groups, composition of copolymers, structure of repeating units after polymer analogous reactions, side reactions
Analysis Range : molecular weight 500-300,000
Description : 2,5-dihydroxybenzoic acid, Dithranol
Type of sample : Aqueous sample (should be dissolved in water)

   Piyawat Sangpittayatron

   02-2181839

   Chanokporn.S@chula.ac.th

Brand / Model : Bruker / Autoflex III Smart Beam

Brand / Model : Bruker / Microtof II

Electrospray Ionization (ESI)

Application : To determine molar mass distributions of polymers ina molar mass range between 100-20,000 daltons
Analysis Range : molecular weight 100-20,000
Description : Oven temperature / Column C 18, Room temperature / No Column
Type of sample : Aqueous sample (should be dissolved in water)

  Piyawat Sangpittayatron

   02-2181839

   Chanokporn.S@chula.ac.th