COD2000

COD Calibration Standard

• Synonym(e): Chemical oxygen demand standard
• NACRES: NA.24
• UNSPSC Code: 77101502

Eigenschaften

• CofA: current certificate can be downloaded
• concentration: 2000 mg/L in H₂O
• format: multi-component solution
• storage temp.: 2-8°C
• Quality Level: 300

Beschreibung

Application

This CRM is intended for the calibration and validation of analytical instruments used to measure chemical oxygen demand (COD).

Features and Benefits

• Verified and qualified in an ISO/IEC 17025 and ISO 17034 accredited laboratory
• Traceable to the SI and higher order standards from NIST
• Assigned value based on a purity determination by mass balance and gravimetrically prepared value
• Homogeneity assessed in accordance with ISO Guide 35
• Available in 500 mL high-density polyethylene bottle to assure safe delivery
• Accompanied with a certificate of analysis (CoA) having information on the expiry date for an effective audit
• Prepared using deionized water as a solvent

General description

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.

Sicherheitshinweise

• Lagerklasse: 10 - Combustible liquids
• wgk: nwg
• flash_point_f: Not applicable
• flash_point_c: Not applicable