Conteudo Principal
COVID-19_ENG
Vale da Pedra Laboratory
Vale da Pedra Laboratory includes the same fields as Inorganic Chemistry, Organic Chemistry, Microbiology and Biology. Parameters are tested based on the following analytical techniques:
  • Classic cultural microbiology methods: no. of 37º C and 22º C clusters, Coliform bacteria, E. coli, Faecal coliform, Enterococos, Clostridium perfringens, Pseudomonas aeruginosa, Sulphite-reducing anaerobes, Coagulase-positive staphylococci, Coagulase-negative staphylococci, and Total staphylococci
  • Identifying and quantifying the phytoplankton and determining the phytoplanktonic biovolume by means of an inverted microscope
  • Determining the Smell and Flavour of water samples through successive dilutions
  • Determining the Colour, Free chlorine, Chlorophyll-a and phaeopigments, Aluminium, Nitrites, Phosphate, Ammoniacal Nitrogen, and Silica through molecular absorption spectrophotometry
  • Determining Sodium, Potassium, Calcium, Magnesium, Fluorides, Chlorides, Nitrates, Sulphates, Bromides, Chlorate, and Chlorites using ion chromatography
  • Determining THM and other alkyl halides using gas chromatographic analysis
  • Carrying out several determinations by means of classic chemistry analytical techniques like acid-base titration, oxidation-reduction titration, complexometry, and gravimetric methods, among others

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