VWR®, Conductivity standards, Certified Reference Materials (CRMs) for primary calibration of conductivity meters

供应商: Avantor
VWR®
VWRC89009.270EA 1909 CNY
VWRC89009.270 VWRC89021.270 VWRC89020.270 VWRC89018.270 VWRC89025.270 VWRC89012.270 VWRC89003.270 VWRC89011.270 VWRC89006.270 VWRC89019.270 VWRC89002.270 VWRC89015.270 VWRC89028.270 VWRC89023.270 VWRC89010.270 VWRC89007.270 VWRC89031.270 VWRC89001.230 VWRC89027.270 VWRC89014.270 VWRC89029.270 VWRC89030.270 VWRC89005.270 VWRC89008.270 VWRC89013.270 VWRC89026.270
VWR®, Conductivity standards, Certified Reference Materials (CRMs) for primary calibration of conductivity meters
标准品 电导率标准
Avantor offers a comprehensive range of conductivity standards as Certified Reference Materials with the primary use calibrating of conductivity meters.

  • Accredited acc. ISO 17025 / ISO 17034
  • Traceable to NIST
  • Certificate of Analysis including temperature correction chart

Intended uses:
- Calibration, qualification and monitoring of instruments for conductivity measurement
- Validation of analytical methods
- Preparation of working reference samples
- Detection limit and linearity studies

These standards are produced by dissolving potassium chloride (KCl) in 18 MOhm of deionised water, except where indicated, then filtered through a 0,22 µm filter in equilibrium with atmospheric carbon dioxide. The certified value and expanded uncertainty are obtained using conductivity meter calibration according to ISO/IEC 17025. Homogeneity and stability studies are performed according to the requirement of ISO 17034 and ISO Guide 35. All conductivity standards are traceable to SI (NIST).
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