Water Quality Laboratory

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  • Analysis of natural water, drinking-water, wastewater, irrigation water and water for the washing of fruit, among others.

  • Analysis of the control parameters for drinking-water quality (levels I, II and III) established in the Drinking-Water Quality Regulation: aluminum, ammonium, antimony, arsenic, cadmium, calcium, residual chlorine (free and combined) zinc chloride, copper, color, conductivity, chromium, hardness (total and calcium), fluorides, iron, magnesium, manganese, nickel, nitrate, nitrite, smell, pH, lead, potassium, flavor, selenium, sodium, sulfates and turbidity. Moreover, the CICA works with chemical and microbiological analysis laboratories which are accredited for the determination of fecal coliforms, Escherichia coli, total cyanide, mercury, among others
  • Analysis of the parameters listed in the Discharge and Reuse of Wastewater for Operational Reports Regulation: biochemical oxygen demand (BOD), chemical oxygen demand (COD), fats and oils, solids (settleable and suspended), methylene blue active substances (MBAs), as well as field measurements including flow, residual chlorine, dissolved oxygen and temperature.
  • Determination of heavy metals in various matrices such as water, soil, sediment, food, plastics, among others; by means of atomic absorption techniques with graphite furnace and flame, and inductively coupled plasma mass spectrometry (ICP-MS). The following are among the determined metals: Ag, Al, As, Au, B, Ba, Be, Ca, Cd, Co, Cr, Cs, Cu, Fe, Ga, Ge, Hf, Hg, Ir, K, Li, Mg, Mn, Mo, Na, Nb, Ni, P, Pb, Pd, Pt, Rb, Re, Ru, Sb, Se, Si, Sn, Sr, Ta, Ti, Tl, U, Va, W, Zn and Zr.

  • Analysis of other physicochemical parameters: alkalinity, bromides, phosphates, silica, carbon (inorganic, organicand total), total nitrogen, oxygen saturation percentage, solids (total, total dissolved, volatile and fixed), stable isotopes (oxygen18 and deuterium), and more.

  • The CICA also hires microbiological analyses.

Read about the scope of our accreditation on the website Ente Costarricense de Acreditación (ECA):

iaguas telefonov (506) 2511 8304
telefonov (506) 2511 8215
correo aguas.cica@ucr.ac.cr

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