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Qualitative analysis of gases used in fire extinguishers and refrigeration gases


Fire-fighting equipment and systems, domestic refrigerators and refrigeration installations and air conditioning systems use gases that may contain substances that are harmful to the ozone layer, such as Carbon, Fluoride and Chlorine (CFCs), Carbon, Fluoride and Bromide (Halon), carbon tetrachloride and trichloroethanes. A complete list of substances is available in Annexes A and B of the Montreal Protocol.

The use of these substances is restricted throughout Brazil by CONAMA Resolution 267 for all systems, equipment, installations and new products, both domestic and imported.

IPT analyses fire-fighting and refrigeration gases, verifying the presence of substances harmful to the ozone layer. These gases are identified by gas chromatography-mass spectrometry (GC-MS). In addition, a chemical analysis supplied by the Institute also enables confirmation of product specification or identification of contaminants, thereby assisting in quality control.