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Merck
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Principaux documents

EM0180

Supelco

Buffer pH 12.45

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About This Item

Code UNSPSC :
12161703

Qualité

analytical standard

Niveau de qualité

100

Agence

traceable to NIST

Application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

Format

mixture

Conditions d'expédition

ambient

Température de stockage

15-25°C

Application

This pH 12.45 buffer solution is suited for use in routine analytical methods for the calibration of pH meters and maintaining the pH of solutions.

Caractéristiques et avantages

  • Traceable to NIST standards
  • A ready-to-use solution available in a sealed bottle with convenient packaging to protect against contamination
  • Accompanied with a certificate of analysis (CoA) for an effective audit
  • Accurate up to +/- 0.01 at 25 °C
  • The expiry date of the product can be found in the CoA
  • Calculated uncertainty value is for the duration of transportation and storage

Caractéristiques

Tolerance: ±0.02

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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Questions

1–2 sur 2 questions  

  1. Why does the SDS Section 9 not list the pH of this material?

    1 réponse

    1. This product is a pH buffer standard. The pH value is a part of the product name and clearly stated on all product information, including the SDS.

      Utile ?

  2. Hello, I did not see any warning on the product page that this item has a short shelf life. Had I known this buffer would expire in 2 months, I would have ordered at a later date. Can the people in charge of website improvements add a warning?

    1 réponse

    1. This product has a tested expiration date of one year.

      The product issue you are reporting should be investigated by our Technical Service team who can assist you with further troubleshooting and/or investigation. We kindly ask you to navigate to the link https://www.sigmaaldrich.com/techservice, click on "Report Product Issues" under the Products Section with all the required information so that a member of our team can reach out to you to assist further. Thank you.

      Utile ?

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