1.01962
Sodium hydrogen carbonate/sodium carbonate
certified reference material
Synonym(s):
Sodium Carbonate/Na2CO3, Sodium bicarbonate/NaHCO3
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About This Item
NACRES:
NA.24
UNSPSC Code:
41116107
grade
certified reference material
Quality Level
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.
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
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2
Storage Class
13 - Non Combustible Solids
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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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 90502-50ML | 04061833246986 |
| 90502-10ML | 04061833246979 |
| 1019620001 | 04022536026947 |
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