Carbon Oxygen Demand Standards
COD, 500 mg/L Calibration Standard, Certified Reference Material, MilliporeSigma™ Supelco™
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
Thermo Scientific™ COD (Chemical Oxygen Demand) Calibration Standards for AQUAfast Colorimeters
Use these calibration standards to check your colorimeter instrument operations before measuring COD chemistries, for example in environmental and wastewater monitoring.
Ricca Chemical Company Chemical Oxygen Demand Standard, 300 ppm COD, Ricca Chemical
Potassium Acid Phthalate in Water. For Chemical Oxygen Demand in Water (Non-Regulated).
LabChem, Inc. COD Standard, 1000ppm (1mL = 1mg COD) (Potassium Acid Phthalate in Water), Certified, LabChem™
CAS: 877-24-7 Molecular Formula: C8H5KO4 Molecular Weight (g/mol): 204.222 InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M PubChem CID: 23676735 IUPAC Name: potassium;2-carboxybenzoate SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
Reagents Holdings Llc Carbon Oxygen Demand Solution 10,000 ppm, Reagents
Carbon Oxygen Demand Solution 10,000 ppm, Reagent, use for Water analysis. Manufactured in ISO 9001 facility.
LabChem, Inc. COD Standard, 300ppm (1mL = 0.3mg COD) (Potassium Acid Phthalate in Water), Certified, 0.300mg/mL ±0.003, LabChem™
CAS: 877-24-7 Molecular Formula: C8H5KO4 Molecular Weight (g/mol): 204.222 InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M PubChem CID: 23676735 IUPAC Name: potassium;2-carboxybenzoate SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
Sulfuric Acid-Silver Sulfate Reagent, for Chemical Oxygen Demand (COD), Ricca Chemical
CAS: 7664-93-9 Molecular Formula: H2O4S Molecular Weight (g/mol): 98.07 MDL Number: MFCD00064589 InChI Key: QAOWNCQODCNURD-UHFFFAOYSA-N PubChem CID: 1118 ChEBI: CHEBI:26836 IUPAC Name: sulfuric acid SMILES: OS(O)(=O)=O
Reagents Holdings Llc Inorganic Carbon Standard, Reagents
Inorganic Carbon Standard, Reagent, use for Water analysis. Manufactured in ISO 9001 facility.
Reagents Holdings Llc Chemical Oxygen Demand Standard, 1000 ppm COD Recommended Storage: 2°C to 8°C (36°F to 46°F)., Reagents
Chemical Oxygen Demand Standard, 1000 ppm COD, Reagent, use for Water analysis. Manufactured in ISO 9001 facility.
Reagents Holdings Llc Chemical Oxygen Demand Standard, 100 ppm COD Recommended Storage: 2°C to 8°C (36°F to 46°F)., Reagents
Chemical Oxygen Demand Standard, 100 ppm COD, Reagent, use for Water analysis. Manufactured in ISO 9001 facility.
Aqua Solutions COD Standard 50 ppm w/w Certified Solution (500ML)
COD Standard 50 ppm w/w Certified Solution (500ML)
Aqua Solutions COD Standard 1,000 ppm Certified Solution (500ML)
COD Standard 1,000 ppm Certified Solution (500ML)