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1.01962

Sodium hydrogen carbonate/sodium carbonate

certified reference material

別名:

Sodium Carbonate/Na2CO3, Sodium bicarbonate/NaHCO3

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NACRES:
NA.24
UNSPSC Code:
41116107
eCl@ss:
25140904
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grade

certified reference material

Quality Segment

agency

complies with DIN 19266

product line

Certipur®

application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

format

neat

storage temp.

15-25°C

General description

Certipur® certified secondary standard reference buffers are used to precisely calibrate and monitor pH measurement instruments and buffer solutions. They are quality controlled and qualified in our ISO/IEC 17025 and 17034 accredited calibration laboratories against certified primary standard reference materials (SRM) in compliance with DIN 19266, IUPAC, NIST, Ph. Eur. and USP. Certipur® reference materials offer maximum accuracy, reliability and convenience and help avoid costly repeat analyses.
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

Sodium hydrogen carbonate/sodium carbonate [pH(S) = 10.012 (25°C)] is a certified secondary standard reference buffer used as a calibration buffer standard for pH instruments or pH electrodes.

Features and Benefits

  • The product is delivered with a comprehensive, batch-specific Certificate of Analysis showing relevant data for the quality management system.
  • The pH value of this Certipur® buffer solution is measured using differential potentiometry with two platinum hydrogen electrodes against NIST & PTB primary SRM [pH(S) = 10.012 (25 °C)].
  • It is a Certified Reference Material (CRM) offered in neat format.
  • Intended for extremely precise calibration, qualification and monitoring of pH instruments and for testing other buffer solutions.

Analysis Note

pH-value (25 °C): 10.010 - 10.016

Legal Information

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

ピクトグラム

Exclamation mark
GHS07

泚意喚起語

Warning

ハザヌドコヌド

H319

Hazard Classifications

Eye Irrit. 2

保管分類

13 - Non Combustible Solids

匕火点 (F)

Not applicable

匕火点°C

Not applicable

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