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1.09407

Supelco

Buffer solution

(potassium dihydrogen phosphate/disodium hydrogen phosphate)traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®

Synonyme(s) :

Buffer solution pH 7.00 (25°C) (potassium dihydrogen phosphate/disodium hydrogen phosphate)

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About This Item

Code UNSPSC :
12161706
Nomenclature NACRES :
NA.25

Qualité

certified reference material

Niveau de qualité

300

Gamme de produits

Certipur®

pH

7.0 (25 °C in H2O)

Point d'ébullition

109 °C/1013 hPa

Pf

-5 °C

Densité

1.01 g/cm3 at 20 °C

Application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

Format

mixture

Température de stockage

15-25°C

Description générale

A phosphate buffer, it is gravimetrically prepared using high-quality salts in high-purity water. The pH 7.00 of this potassium dihydrogen phosphate/disodium hydrogen phosphate is measured 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 a positive environmental impact due to reduced waste generation
  • 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

En option

Réf. du produit
Description
Tarif

1.99002

Solution tampon, (potassium dihydrogen phosphate/di-sodium hydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®

1.09439

Solution tampon, (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®

1.09477

Buffer solution, (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), colour: green traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®

1.99057

Buffer solution, (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), colour:yellowtraceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®

1.99068

Buffer solution, di-sodium hydrogen phosphate/potassium dihydrogen phosphate, traceable to NIST, traceable to PTB, pH 6.86 (25 °C), Certipur®

Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

nwg

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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