Pular para o conteúdo
Merck
Todas as fotos(1)

Documentos Principais

EM0180

Supelco

Buffer pH 12.45

Faça loginpara ver os preços organizacionais e de contrato
Todas as fotos(1)

About This Item

Código UNSPSC:
12161703

grau

analytical standard

Nível de qualidade

100

Agency

traceable to NIST

aplicação(ões)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

Formato

mixture

Condições de expedição

ambient

temperatura de armazenamento

15-25°C

Aplicação

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.

Características e benefícios

  • 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

Especificações

Tolerance: ±0.02

Código de classe de armazenamento

12 - Non Combustible Liquids

Classe de risco de água (WGK)

nwg

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

Já possui este produto?

Encontre a documentação dos produtos que você adquiriu recentemente na biblioteca de documentos.

Visite a Biblioteca de Documentos

Questions

1–2 of 2 Questions  

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

    1 answer

    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.

      Helpful?

  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 answer

    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.

      Helpful?

Reviews

No rating value

Active Filters

Nossa equipe de cientistas tem experiência em todas as áreas de pesquisa, incluindo Life Sciences, ciência de materiais, síntese química, cromatografia, química analítica e muitas outras.

Entre em contato com a assistência técnica