COD2000

COD Calibration Standard

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

Eigenschaften

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

Beschreibung

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.

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

Sicherheitshinweise

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