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1.09406

Supelco

Buffer solution

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

Synonyme(s) :

Buffer solution pH 4.01 (Potassium hydrogen phthalate)

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About This Item

Code UNSPSC :
12161704
Nomenclature NACRES :
NA.25

Qualité

certified reference material

Niveau de qualité

300

Gamme de produits

Certipur®

pH

4.01 (25 °C in H2O)

Application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

Format

mixture

Température de stockage

15-25°C

Description générale

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.

Application

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.

Caractéristiques et avantages

  • 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

Informations légales

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

Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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