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Key Documents

1.09436

Supelco

Buffer solution

(citric acid/sodium hydroxide) traceable to SRM from NIST and PTB pH 5.00 (20°C) Certipur®

Sinonimo/i:

Buffer solution pH 5.00 (20°C) (citric acid/sodium hydroxide)

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About This Item

Codice UNSPSC:
12161704
NACRES:
NA.25

Grado

certified reference material

Livello qualitativo

Nome Commerciale

Certipur®

pH

5.0 (25 °C in H2O)

Densità

1.01 g/cm3 at 20 °C

applicazioni

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

Formato

mixture

Temperatura di conservazione

15-25°C

Descrizione generale

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.

Applicazioni

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.

Caratteristiche e vantaggi

  • 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.

Note legali

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

Raccomandato

N° Catalogo
Descrizione
Determinazione del prezzo

Codice della classe di stoccaggio

12 - Non Combustible Liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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