CHEMICAL OXYGEN DEMAND
- Ammonium iron(II) sulfate hexahydrate, for analysis, ExpertQ®, ACS, ISO, Reag. Ph Eur
- Ammonium iron(II) sulfate, solution ~ 0,12 mol/l (0,12 N), for COD determination, according to ISO 6060
- Mercury(II) sulfate, for analysis, ExpertQ®, ACS
- Potassium dichromate 0,04 mol/l / mercury(II) sulfate 80 g/l, solution in sulfuric acid, for COD determination, according to ISO 6060
- Potassium dichromate, for analysis, ExpertQ®, ACS, ISO, Reag. Ph Eur
- Silver sulfate, for analysis, ExpertQ®, ACS
- Silver sulfate, solution 1% in sulfuric acid, for COD determination, according to ISO 6060
- Sulfuric acid, 95 - 97%, for analysis, ExpertQ®, ISO, Reag. Ph Eur
- Sulfuric acid, solution 4 mol/l (8 N), for COD determination, according to ISO 6060
