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Merck
CN

COD2000

COD Calibration Standard

别名:

Chemical oxygen demand standard

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关于此项目

NACRES:
NA.24
UNSPSC Code:
77101502
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CofA

current certificate can be downloaded

concentration

2000 mg/L in H2O

format

multi-component solution

storage temp.

2-8°C

Quality Level

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.

存储类别

10 - Combustible liquids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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