COD500

COD 500 mg/L Calibration Standard

certified reference material

• Synonym(s): Chemical Oxygen Demand Reference Standard
• UNSPSC Code: 41116107
• NACRES: NA.24

Properties

• grade: certified reference material
• Quality Level: 300
• CofA: current certificate can be downloaded
• manufacturer/tradename: RTC COD500-100
• concentration: in H₂O
• technique(s): TOC: suitable
• application(s): environmental
• format: matrix material
• storage temp.: 2-8°C

Description

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 high-density polyethylene bottles of volumes 100 and 500 mL for an assured 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

Other Notes

Values of analytes vary lot to lot. Some lots may not contain all analytes.

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: nwg
• flash_point_f: Not applicable
• flash_point_c: Not applicable