COD Calibration Standard
SIAL/COD2000
Synonym: Chemical oxygen demand standard
Product Type: Chemical
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| CofA | current certificate can be downloaded |
| concentration | 2000 mg/L in H2O |
| format | multi-component solution |
| Quality Level | 300  |
| storage temp. | 2-8°C |
| 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. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | nwg |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Storage Temp. | 2-8°C |
| UNSPSC | 77101502 |