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Catalan Institute for Water Research

Research and Innovation for the sustainable use of water

Chemical Analysis Unit (UAQ)

The Chemical Analysis Unit (UAQ) focuses its activity on the determination of a wide range of physicochemical parameters for different types of water masses (from residual to natural) through the use of advanced analytical techniques.

In any case, the applied methodologies are based on standardized procedures appropriate to the type of sample being analyzed, taking into account both the level of concentration and the presence of substances that may interfere. The operation of the laboratory is framed in a quality environment that guarantees technical competence and the validity of its results while ensuring the sustainable management of resources through a continuous improvement plan.

Services

  • Potentiometric determinations

  • pH
  • Conductivity
  • Alkalinity
  • Total Kjeldahl Nitrogen (TKN)
  • Ammonium (Ammoniacal nitrogen)

  • Respirometric determinations

  • Biological Oxygen Demand (BOD)

  • Gavimetric determinations

  • Total Solids (TS)
  • Total suspended solids (TSS)
  • Votal suspended solids (TSS)

  • Combustion determinations

  • Total Organic Carbon (TOC)
  • Total Inorganic Carbon (TIC)
  • Total Nitrogen (TN)
  • Elemental analysis: C, H, N, S

  • Spectrophotometric determinations

  • Nitrites
  • Nitrates
  • Ammonium
  • Phosphates
  • Total Phosphorus (TP)
  • Silicates
  • Absorbance

  • Ion chromatographic determinations

  • Anions: F, ClO2, Cl, NO2, Br, SO4, NO3, ClO3, PO4, IO3, I
  • Sulphides: S2, SO3, S2O3
  • Cations: Li, Na, NH4, Mg, K, Ca
  • Total Hardness
  • Permanent Hardness
  • Temporary Hardness
Consult Rates Quality Policy

Equipment

  • Ionic Chromatograph, ICS5000, Dionex

  • Total Organic Carbon (TOC) and Total Nitrogen (TN) Analyser, TOC-V CSH (230) TNM-1, Shimadzu

  • Elemental Analyser, Truspec Micro CHNS, LECO

  • Analytical balance, 6 decimals, XP6, Mettler Toledo

  • Chemical Oxygen Demand (COD) equipment: digester, CSB 24/E, Behr and titrator, 814, Metrohm

  • Biochemical Oxygen Demand (BOD) Meter, OXITOP OC100, WTW

  • Kjeldahl equipment: K-438 digester, Buchi and K-370 titrator, Buchi

  • Alkalinity tester, 855, Metrohm

  • Discrete analyser, Smartchem 140, AMS Alliance

  • Spectrophotometer, UV-1800, Shimadzu

Human team