COD2000

COD Calibration Standard

• 别名: Chemical oxygen demand standard
• 分類程式碼代碼: 77101502
• NACRES: NA.24

属性

• CofA: current certificate can be downloaded
• 品質等級: 300
• 濃度: 2000 mg/L in H₂O
• 形式: multi-component solution
• 儲存溫度: 2-8°C

说明

一般說明

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.

應用

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

特點和優勢

• 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

安全信息

• 儲存類別代碼: 10 - Combustible liquids
• 水污染物質分類（WGK）: nwg
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable