Bfcm Special Sartorius 13107--50------n Cellulose Nitrate And Acetate Membrane Filter, Hydrophobic Edged, Non-sterile, Disc, 0.2μm 50mm, 100/pk With A 55% Price Cut [RKthNIFQ]
Hydrophobic edge membranes are used mainly for colony count and sterility testing of solutions containing substances with antibiotic characteristics. The hydrophobic edge avoids the penetration of any growth-inhibitory substance into the membrane cla
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Bfcm Special Sartorius 13107--50------n Cellulose Nitrate And Acetate Membrane Filter, Hydrophobic Edged, Non-sterile, Disc, 0.2μm 50mm, 100/pk With A 55% Price Cut [RKthNIFQ]
Hydrophobic edge membranes are used mainly for colony count and sterility testing of solutions containing substances with antibiotic characteristics. The hydrophobic edge avoids the penetration of any growth-inhibitory substance into the membrane clamp zone wherefrom it could not be rinsed out and the substance could inhibit microbial growth during incubation.
Membranes are available in three different materials:
Cellulose nitrate (cellulose ester), a material which assures effective retention with high flow rates and optimum colony growth
Cellulose acetate, a material which combines high flow rates and thermal stability with very low adsorption characteristics
Regenerated Cellulose, a material which combines excellent chemical and thermal stability with very low adsorption characteristics
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