1.01553

Potassium chloride solution Certified Reference Material

nominal 1.41 mS/cm, Certified Reference Material for the measurement of electrolytic conductivity, traceable to PTB (c=0.01 mol/l) Certipur^®

• Synonym(s): Potassium chloride solution
• Linear Formula: KCl
• CAS Number: 7447-40-7
• Molecular Weight: 74.55
• Beilstein: 1711999
• MDL number: MFCD00011360
• UNSPSC Code: 41116107
• NACRES: NA.24

Properties

• grade: certified reference material
• Quality Level: 300
• product line: Certipur^®
• pH: 7 (20 °C in H₂O)
• bp: 100 °C/1013 hPa
• application(s): environmental
• format: single component solution
• storage temp.: 2-8°C
• SMILES string: [Cl-].[K+]
• InChI: 1S/ClH.K/h1H;/q;+1/p-1
• InChI key: WCUXLLCKKVVCTQ-UHFFFAOYSA-M

Description

General description

This certified reference material (CRM) is directly traceable to the corresponding primary reference material from the Physikalisch Technische Bundesanstalt (PTB), Germany. The electrolytic conductivity of this standard is determined using a conductivity meter from an accredited Merck calibration laboratory.

Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.

Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI unit kg and measured against primary material from an NMI, e.g. NIST.


Please visit  ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.


Download your certificate at  documents to view certified values, including uncertainty and expiry date.

Application

Potassium chloride solution is a certified reference material intended for use in aqueous solution as a calibration standard for the measurement of the conductivity cell constant or as a control sample.

Analysis Note

Electrical conductivity (25 °C): 1.39 - 1.43 mS/cm

Other Notes

For a complete product listing of our ICP and AAS range, including technical information and example certificates, please visit ICP & AAS standards website .

For detailed information for our newly launched Conductivity Standards check the flyer: Commitment to Quality: Elevating ^®Standards to Certified Reference Material

Legal Information

CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 12 - Non Combustible Liquids
• WGK: nwg
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable