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Merck

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

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About This Item

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

Key Documents

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SMILES string

[Cl-].[K+]

InChI

1S/ClH.K/h1H;/q;+1/p-1

InChI key

WCUXLLCKKVVCTQ-UHFFFAOYSA-M

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

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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

Storage Class

12 - Non Combustible Liquids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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