1.09434

Buffer solution

(citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 3.00 (20°C) Certipur^®

• Synonim(y): Buffer solution pH 3.00 (20°C) (citric acid/sodium hydroxide/hydrogen chloride)
• Kod UNSPSC: 12161704
• NACRES: NA.25

Właściwości

• klasa czystości: certified reference material
• Poziom jakości: 300
• ciśnienie pary: 23 hPa ( 20 °C)
• linia produktu: Certipur^®
• pH: 3.0 (25 °C in H₂O)
• tw: 101 °C/1013 hPa
• mp: -1 °C
• gęstość: 1.0 g/cm³ at 20 °C
• Zastosowanie: environmental; food and beverages; general analytical; industrial qc; pharmaceutical
• format: mixture
• temp. przechowywania: 15-25°C

Opis

Opis ogólny

The buffer solution (citric acid/sodium hydroxide/hydrogen chloride) 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 3.00 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.

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
• A 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 effective audit

Informacje prawne

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

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Informacja o środkach bezpieczeństwa

• Kod klasy składowania: 12 - Non Combustible Liquids
• Klasa zagrożenia wodnego (WGK): WGK 1
• Temperatura zapłonu (°F): Not applicable
• Temperatura zapłonu (°C): Not applicable