1.01255

Potassium chloride solution

nominal 111 mS/cm, certified reference material for the measurement of electrolytic conductivity (c=1.0 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

• Quality Level: 300
• grade: certified reference material
• agency: ISO ((17025, 17034))
• density: 1.044 g/cm³
• application(s): environmental; food and beverages; pharmaceutical; water monitoring
• 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, health & safety, storage & 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 to measure electrolytic conductivity in aqueous solution, typically to determine conductivity cell constant or as a control sample.

Analysis Note

Electrical conductivity (25 °C): 110.0 - 112.0 mS/cm

Legal Information

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

Safety Information

• Storage Class: 12 - Non Combustible Liquids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable