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Carbon Oxygen Demand Standards

Chemical oxygen demand (COD) reference standards suitable for calibration of colorimeters to ensure accurate and reliable results.
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1

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.

Grade Certified Reference Material
2

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.

For Use With (Equipment) AQUAfast Colorimeter
Industry Type Environmental Testing,Wastewater Monitoring
Quantity 475 mL
Certifications/Compliance EPA
3

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+]

PubChem CID 23676735
CAS 877-24-7
Molecular Weight (g/mol) 204.222
SMILES C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
IUPAC Name potassium;2-carboxybenzoate
InChI Key IWZKICVEHNUQTL-UHFFFAOYSA-M
Molecular Formula C8H5KO4
4

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+]

PubChem CID 23676735
CAS 877-24-7
Molecular Weight (g/mol) 204.222
SMILES C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
IUPAC Name potassium;2-carboxybenzoate
InChI Key IWZKICVEHNUQTL-UHFFFAOYSA-M
Molecular Formula C8H5KO4
5

Chemical Oxygen Demand Standard, 300 ppm COD, Ricca Chemical

Potassium Acid Phthalate in Water. For Chemical Oxygen Demand in Water (Non-Regulated).

Boiling Point 100°C
Packaging Natural Poly Bottle
Chemical Name or Material COD STANDARD
6

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.

7

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.

8

Inorganic Carbon Standard, Reagents

Inorganic Carbon Standard, Reagent, use for Water analysis. Manufactured in ISO 9001 facility.

Boiling Point 100°C
CAS 497-19-8
For Use With (Equipment) Water Analyzer
Industry Type Water Analysis
Solubility Completely miscible
Color Colorless
Physical Form Liquid
Chemical Name or Material Inorganic Carbon Standard
Grade Reagent
Specific Gravity 1.0045
9

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.