1.09436
Buffer solution
(citric acid/sodium hydroxide) traceable to SRM from NIST and PTB pH 5.00 (20°C) Certipur®
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About This Item
Kod UNSPSC:
12161704
Polecane produkty
klasa czystości
certified reference material
Poziom jakości
linia produktu
Certipur®
pH
5.0 (25 °C in H2O)
gęstość
1.01 g/cm3 at 20 °C
Zastosowanie
environmental
food and beverages
general analytical
industrial qc
pharmaceutical
format
mixture
temp. przechowywania
15-25°C
Powiązane kategorie
Opis ogólny
The buffer solution (citric acid/sodium hydroxide) is gravimetrically prepared using high-quality reagents in high-purity water. It is quality controlled and qualified in an ISO/IEC 17025 accredited calibration lab. Its pH value of 5.00 at 20°C is qualified using a combined glass electrode following a 5-point calibration method, in accordance with DIN 19268, against certified primary reference standards as per DIN 19266, IUPAC, NIST, USP, and Ph. Eur.
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.
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.
Zastosowanie
It is used in analytical procedures for the calibration, qualification, and monitoring of pH measuring instruments and as a control for testing other buffer solutions.
Cechy i korzyści
- Measured and qualified in an ISO/IEC 17025 and ISO 17034 accredited laboratory
- Traceable to SRMs from NIST and primary certified reference standards from PTB
- Ready-to-use solution available in a sealed bottle with convenient packaging to protect against contamination
- Long-lasting with a shelf life of 3 years
- Accompanied with a detailed and batch-specific certificate of analysis (CoA) for an efficient audit and successful quality management system.
Informacje prawne
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
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Kod klasy składowania
12 - Non Combustible Liquids
Klasa zagrożenia wodnego (WGK)
WGK 1
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
Certyfikaty analizy (CoA)
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