Saltar al contenido
Merck
Todas las fotos(3)

Documentos

WHA7187114

Whatman® mixed cellulose ester WME filter discs 0.2 μm pore size

white, hydrophilic, gridded, sterilzation: yes, interleaving paper, without pad, 100 ea, 47 mm diam

Sinónimos:

Whatman® nitrocellulose membrane filters, Whatman filter, Z746053, membrane filters, syringe filter

Iniciar sesiónpara Ver la Fijación de precios por contrato y de la organización
Todas las fotos(3)

About This Item

UNSPSC Code:
40161507
NACRES:
NB.24

product name

Whatman® mixed cellulose ester membrane filters, (white/black grid), pore size 0.2 μm, diam. 47 mm, sterile

material

(white/black grid)

sterility

sterile

packaging

pack of 100 ea

manufacturer/tradename

Whatman 7187-114
Whatman Article No. 28420749 (US reference)

diam.

47 mm

pore size

0.2 μm

¿Está buscando productos similares? Visita Guía de comparación de productos

Categorías relacionadas

General description

Whatman mixed cellulose ester membranes are composed of cellulose acetate and cellulose nitrate. These membranes are characterized by a smoother and more uniform surface than pure nitrocellulose filters. Also, the color contrast provided by the filter surface facilitates particle detection and minimizes eye fatigue. The ME range has a lower cellulose acetate content compared to the WME range of membranes.

Eased counting process: In microbiological colony counting procedures, the color contrast between the surface and the colonies facilitates the counting process.

Plain or gridded: Many microbiological techniques include colony counting after incubation as the standard method of quantitation. Whatman gridded filters have clearly defined grid lines spaced at 3.1 mm or 5 mm intervals. The special ink used is nontoxic and completely free from bacterial growth inhibitors. Whatman black mixed cellulose esters are available plain for automatic colony counting applications, as well as gridded to assist in manual counting procedures. Black membranes provide contrast between residue or cell colors and the filter without having to counter-stain the membrane.

Features and Benefits

  • Sterile options available for critical applications.
  • Excellent contrast for easier particle detection.
  • Grids are nontoxic and do not inhibit bacterial growth, ensuring sample integrity.
  • Black plain and black gridded membranes have a mix of cellulose nitrate and cellulose acetate.
  • The membrane offers a high degree of internal surface area for greater adsorption of product.
  • Higher dirt loading capacity.
  • Biologically inert with good thermal stability.
  • No surfactants to contaminate samples.
  • Uniform microporous structure of membrane gives high flow rates.

Other Notes

Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.

Legal Information

Whatman is a registered trademark of Cytiva

pictograms

Flame
GHS02

signalword

Warning

hcodes

H228

Storage Class

11 - Combustible Solids

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

¿Ya tiene este producto?

Encuentre la documentación para los productos que ha comprado recientemente en la Biblioteca de documentos.

Visite la Librería de documentos

Dori M Landry et al.
Genes & development, 23(23), 2753-2764 (2009-12-03)
Most eukaryotic mRNAs are translated using a cap-dependent mechanism of translation. However, approximately 10% of mammalian mRNAs initiate translation using a cap-independent mechanism that is not well understood. These mRNAs contain an internal ribosome entry site (IRES) located in the

Nuestro equipo de científicos tiene experiencia en todas las áreas de investigación: Ciencias de la vida, Ciencia de los materiales, Síntesis química, Cromatografía, Analítica y muchas otras.

Póngase en contacto con el Servicio técnico