Aqueous Analysis Laboratory (AAL)


Ion Chromatography (IC)
Gallery™ Discrete Analyzer
Organic C, Total N analyzer
Water Isotope Analyzer
Carbon-13 CH4/CO2 Isotope Analyzer
Greenhouse & Atmospheric Gas Analyzer
UV-Vis spectrophotometer
Atomic fluorescence (AFS)
Metrohm 907 Titrando
Multimeter probes

Sample preparation

Freeze dryer
Microwave digestor
AirClean Workstation 600

ICP-OES: Inductively coupled plasma-optical emission spectrometry

  • Thermo Scientific iCAP 6300 with auto sampler
  • Analyzes up to 66 different elements with sub-ppb detection limits
  • Choice of wavelengths from 166 to 847 nm

Capillary ion chromatograph (IC) system

  • Dionex ICS-5000 with auto sampler
  • Dual column system (capillary and analytical)
  • Includes reagent-free and automatic eluent generation, which greatly simplifies sample preparation
  • Analysis of anions and organic acids (proteins, nucleotides, and amino acids)
  • Speciation within complex matrices, flexible detection

Gallery™ Discrete Analyzer

  • Thermo Scientific Gallery™ Discrete Analyzer
  • Automated analyzer manages dilutions and replicate analyses
  • Capable of colourometric, enzymatic and electrochemical analyses
  • In Ecohydrology, used for analysis of:
    • Dissolved Reactive Phosphorus (DRP)
    • Ammonium
    • Nitrate
    • Nitrite
  • Read more about the Gallery analyzer here:

Total Organic C, Total N Analyzer

  • Shimadzu TOC-LCPH/CPN with auto injector
  • Measures organic C (TOC), TC, IC, and total N with concentrations from 4 µg/L to 30,000 mg/L
  • State-of-the-art combustion catalytic oxidation system
  • Analysis of samples ranging from ultra-pure water to sea water or highly contaminated samples
  • TOC and TN can be measured simultaneously

Water Isotope Analyzer

instrument that looks like grey box with autosampler arm on top with computer monitor showing instrument output results on the right
  • Picarro L2130-i Isotope (δ18O and δD for Isotopic H2O) and Gas Concentration Analyzer
  • Cavity Ring Down Spectrometer (CRDS) with vapourizer and autosampler
  • High quality (high precision, minimal drift) measurements of water stable isotopes in water, vapour and/or solid samples
  • Currently used by Ecohydrology research group for analyzing liquid water samples
  • Applications for hydrology, paleo-limnology and -climatology, and oceanography/limnology
  • Read more about the analyzer:

Carbon-13 CH4/CO2 Isotope Analyzer

  • Picarro G2201-i Isotopic (δ13C- CH4 and CO2) Analyzer
  • Cavity Ring Down Spectrometer (CRDS) with small sample isotope module (SSIM)
  • Field portable model
  • Applications for soil, agriculture/agronomy, atmospheric, groundwater-surface water interactions, peat/permafrost, and critical zone research and sciences
  • Read more about the analyzer:

Greenhouse & Atmospheric Gas Analyzer

  • Shimadzu gas chromatograph with a 16 port stream selection valve for automated sample injection of gas samples
  • The system uses 2 ten port, one six port, and one four port valve(s) to quantify CH4, CO2, N2O, O2 and N2, using 3 different detectors (ECD, TCD, methanizer and FID)
  • Detection levels range from 100ppb to mid % levels for atmospheric N2 and O2
  • Data acquisition is managed with shimadzu GC solution software

UV-Visible Spectrophotometer (Thermo Evolution 260)

  • Wavelength range: 190 to 1100 nm
  • Light source: Xenon flash lamp (requires no warming up)
  • Double beam with sample and reference cuvette positions
  • Methods available for protein analysis and nucleic acid concentration and purity

Voltammeter (Metrohm 797 VA Computrace voltammeter with autosampler)

  • Applications include measurement of metals (including uranium, copper, mercury, lead, cadmium, iron, manganese, and selenium) and non-metals (cyanide, vitamin E and vitamin C). 
  • Includes a multi-mode electrode (MME) that can also be operated as DME, SMDE, or HDME

Atomic fluorescence (AFS)

  • PSAnalytical PSA 10.055 Millenium Excalibur with PSA 20.400 Autosampler
  • Hydride generation (HG)
  • Measures total arsenic (10 ppt) and selenium (2 ppt) in aqueous samples
  • Changing analyte only requires a simple lamp change. Lamps available for antimony (10 ppt), bismuth (10 ppt) and tellurium (10 ppt)
  • Accurate for concentrations across five orders of magnitude

HPLC coupled to Atomic fluorescence (HPLC-UV-HG-AFS)

  • Agilent HPLC used in conjunction with the Millenium Excalibur
  • Provides speciation information in addition to total analysis
  • Selenium species: selenocystine, selenomethionine, selenite and selenate​​

Multimeter probes


Probes for:

  • pH
  • Eh/ORP (redox potential)
  • Electrical conductivity
  • Temperature
  • Dissolved oxygen

Metrohm 907 Titrando 



Potentiometric and STAT titrations. Operation is carried out with high-performance PC software.

Measurement interfaces

  • Potentiometric electrode (pH, metal or ion-selective electrode)
  • Separate reference electrode
  • Temperature sensor (Pt1000 or NTC)
  • Polarizable electrode
  • iConnect (measuring interface for electrodes with integrated data chip, so-called iTrodes)

Freeze dryer

  • Location: PHY 221
  • Labconco FreeZone Freeze Dry System 7753020
  • Freezes < -50°C, pressure 0.05 mBar
  • For samples with eutectic temperature > -40°C
  • Capacity: 18 L
  • Bulk tray dryers and fast freeze flasks available


  • Maximum speed: 15,000 rpm 
  • Sample volume: <1 mL to 400 mL

Microwave digester

  • Anton Paar Multiwave 3000
  • Microwave reaction system for automated soil extraction

AirClean Workstation 600

  • Facilitates the maintenance of a sterile work area during sample preparation.
  • The thermoplastic table-top enclosure uses a 2-stage filtration process, including a HEPA filter, to prevent contamination in microbially sensitive work.
  • The unit features Class 100 laminar flow, 360 degree visibility, and a built in fluorescent light.
  • Internal dimensions: 47" W x 23" D x 29" H