1.01254

Potassium chloride solution

nominal 12.8 mS/cm, certified reference material for the measurement of electrolytic conductivity (c=0.1 mol/l) Certipur^®

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

Properties

• grade: certified reference material
• Quality Segment: 300
• agency: ISO (17025, 17034)
• product line: Certipur^®
• density: 1.003 g/cm³
• application(s): environmental; food and beverages; pharma/biopharma processes; water monitoring
• format: single component solution
• storage temp.: 15-25°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.

The details of expiry date, storage and handling, and associated uncertainty are documented in the certificate of analysis.

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.

Application

Used as a calibration standard in aqueous solution to determine conductivity cell constant or as a control sample.

Analysis Note

Electrical conductivity (25 °C): 12.750 - 12.950 mS/cm

Legal Information

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

Safety Information

• Storage Class: 12 - Non Combustible Liquids
• wgk: nwg