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1.09406

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Buffer solution

(potassium hydrogen phthalate), traceable to SRM from NIST and PTB pH 4.01 (25°C) Certipur®

Sinonimo/i:

Buffer solution pH 4.01 (Potassium hydrogen phthalate)

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About This Item

Codice UNSPSC:
12161704
NACRES:
NA.25

Grado

certified reference material

Livello qualitativo

300

Nome Commerciale

Certipur®

pH

4.01 (25 °C in H2O)

applicazioni

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

Formato

mixture

Temperatura di conservazione

15-25°C

Descrizione generale

The potassium hydrogen phthalate buffer solution is prepared gravimetrically with potassium hydrogen phthalate and high-purity water. It is analyzed 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.

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 and an innovative Titripac® packaging for positive environmental impact due to reduced waste generation
  • Long-lasting with a shelf life of 3 years
  • Accompanied with a detailed certificate of analysis (CoA) for an effective audit

Note legali

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

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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