| Reference | Designation/Description | Accredited assay |
Reference standards |
Product/ Material |
Comments (Administrator) |
|---|---|---|---|---|---|
| QUI.69 | Determination of sulfite by volumetry | SMEWW 4500-SO3 B, 22ªEd | Waste water (liquid effluent) | --- | |
| QUI.72 | Determination of carbonates and bicarbonates by potentiometry and elementary analysis | SMEWW 4500-CO2 D, 22ª Ed. | Waste water (Leachate) | Decreto-Lei nº 183/2009 de 10 de Agosto | |
| QUI.82.01 | Determination of chemical oxygen demand by photometry | SMEWW 5220 D, 22ªEd. | Waste water (liquid effluent) | --- | |
| QUI.82.02 | Determination of chemical oxygen demand by photometry | SMEWW 5220 D, 22ªEd. | Waste water (Leachate) | Decreto-Lei nº 183/2009 de 10 de Agosto | |
| QUI.92.01 | Determination of hexavalent chromium (VI) by spectrophotometry of molecular absorption | SMEWW 3500-Cr B, 22ªEd. | Waste water (liquid effluent) | --- | |
| QUI.92.02 | Determination of hexavalent chromium (VI) by spectrophotometry of molecular absorption | SMEWW 3500-Cr B, 22ªEd. | Waste water (Leachate) | Decreto-Lei nº 183/2009 de 10 de Agosto | |
| QUI.97 | Determination of total nitrogen content by elementary analysis | Internal Method | Waste water (liquid effluent) | --- |