1.01255

Chlorure de potassium solution

nominal 111 mS/cm, certified reference material for the measurement of electrolytic conductivity (c=1.0 mol/l) Certipur^®

• Synonyme(s) : Potassium chloride solution
• Formule linéaire : KCl
• Numéro CAS: 7447-40-7
• Poids moléculaire : 74.55
• Numéro Beilstein : 1711999
• Numéro MDL: MFCD00011360
• Code UNSPSC : 41116107

Propriétés

• Agence: ISO ((17025, 17034))
• Niveau de qualité: 300
• Densité: 1.044 g/cm³
• Température de stockage: 15-25°C
• Chaîne SMILES: [Cl-].[K+]
• InChI: 1S/ClH.K/h1H;/q;+1/p-1
• Clé InChI: WCUXLLCKKVVCTQ-UHFFFAOYSA-M

Description

Description générale

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.

Remarque sur l'analyse

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

Informations légales

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

Informations sur la sécurité

• Code de la classe de stockage: 12 - Non Combustible Liquids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable