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Key Documents

COD2000

Supelco

COD Calibration Standard

Synonym(s):

Chemical oxygen demand standard

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About This Item

UNSPSC Code:
77101502
NACRES:
NA.24

CofA

current certificate can be downloaded

concentration

2000 mg/L in H2O

format

multi-component solution

storage temp.

2-8°C

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

Storage Class Code

10 - Combustible liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Certificates of Analysis (COA)

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