Whatman Mixed Cellulose Ester Membrane Filters - MEMBRANE, CIRCLE, ME29 3.0UM 47MM 100/PK - 10400712

by Whatman
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$288.99
SKU 10400712
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Product Information: MEMBRANE, CIRCLE, ME29 3.0UM 47MM 100/PK

Manufacturer Part # 10400712

Description

  • Mixed Cellulose Ester Circle ME Range
  • ME 27- 0.8 UM pore size
  • ME 28- 1.2 UM pore size
  • ME 29- 3.0 UM pore size
  • 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
  • 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
  • Sterile filters:
  • For those laboratories preferring to use membranes sterilized by autoclaving for microbiological work, Whatman provides black gridded membranes in packs with pads ready for laboratory autoclaving
HPIS Code 220_40_140_0
Latex Free No
UNSPSC 41104921

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