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di-sodium tetraborate decahydrate certif

DI-SODIUM TETRABORATE DECAHYDRATE CERTIF

Sigma Aldrich

Catalog No.
C15-1210-689
Manufacturer No.
1019640025
Manufacturer Name
Sigma-Aldrich
Quantity
25
Unit of Measure
GR
Price: $389.15
List Price: $432.39

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

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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

di-Sodium tetraborate decahydrate [pH(S)=9.180 (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 the 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 SRMs [pH(S)=9.180 (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): 9.180 - 9.186
Identity: passes test

Legal Information

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

UPC:
51282207
Condition:
New
Weight:
1.00 Ounces
HazmatClass:
No
WeightUOM:
LB
MPN:
1019640025

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