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Whatman™ Cellulosic Membranes

By Whatman/Cytiva
Whatman™ Cellulosic Membranes

Whatman offers cellulosic membranes in two formulations: (1) pure cellulose nitrate, and (2) mixed esters of cellulose nitrate and cellulose acetate.

Cellulose Nitrate (WCN) Membranes

Cellulose nitrate membranes are recommended for routine laboratory applications involving aqueous solutions. The membranes exhibit very narrow pore size distribution and have low levels of extractables. The membranes can withstand handling and autoclaving procedures without loss of integrity. Cellulose nitrate membranes are supplied as circles, sheets or reels. Plain or gridded white. Applications:

  • Sample preparation
  • Microbiological studies
  • Filtration of aqueous solutions
                   
Cat.No. Name Membrane Pore Size Diam Surface Color PK   Seal Color
15-7141-004 Membrane WCN 0.45 µm 47mm Gridded White $342.80
100/PK		 Add To Favorites
15-7141-104 Membrane WCN, Sterile 0.45 47 Gridded White $180.18
100/PK		 Add To Favorites
15-7141-114 Membrane WCN, Sterile, w/o pad 0.45 47 Gridded White $180.18
100/PK		 Add To Favorites
15-7141-124 Membrane WCN, Sterile 0.45 47 Gridded White $347.20
200/PK		 Add To Favorites
15-7141-154 Membrane WCN, Sterile, w/o pad 0.45 47 Gridded White $970.74
1000/PK		 Add To Favorites
15-7141-204 Membrane WCN, Sterile, Autoclave pk 0.45 47 Gridded White $241.04
100/PK		 Add To Favorites
15-7182-001 Membrane WCN 0.2µm 13mm Plain White $251.08
100/PK		 Add To Favorites
15-7182-014 Membrane WCN 0.2 142 Plain White $467.14
25/PK		 Add To Favorites
15-7188-002 Membrane WCN 0.8µm 25mm Plain White $251.14
100/PK		 Add To Favorites
15-7188-004 Membrane WCN 0.8 47 Plain White $361.84
100/PK		 Add To Favorites
15-7188-009 Membrane WCN 0.8 90 Plain White $328.14
25/PK		 Add To Favorites
15-7190-002 Membrane WCN 1.0µm 25mm Plain White $270.30
100/PK		 Add To Favorites
15-7190-004 Membrane WCN 1.0 47 Plain White $401.40
100/PK		 Add To Favorites
15-7193-002 Membrane WCN 3.0µm 25mm Plain White $272.84
100/PK		 Add To Favorites
15-7193-004 Membrane WCN 3.0 47 Plain White $394.08
100/PK		 Add To Favorites
15-7195-002 Membrane WCN 5.0µm 25mm Plain White $265.22
100/PK		 Add To Favorites
15-7195-004 Membrane WCN 5.0 47 Plain White $401.40
100/PK		 Add To Favorites
15-7195-009 Membrane WCN 5.0 90 Plain White $348.66
25/PK		 Add To Favorites

Mixed Ester (WME) Membranes

Mixed esters of cellulose nitrate and cellulose acetate membranes are suitable for routine applications involving aqueous solutions. Gridded black or white. Applications:

  • Bacteriological studies
  • Particle counting from liquids and aerosol
                   
Cat.No. Name Membrane Pore Size Diam Surface Color PK   Seal Color
15-7153-104 Membrane WME, Sterile 0.45 47 Gridded Black $392.60
100/PK		 Add To Favorites
15-7187-114 Membrane WME, Sterile 0.2 47 Gridded White $208.02
100/PK		 Add To Favorites

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