Ideal for water concentration in Legionella testing at public bath facilities!
Legionella bacteria are gram-negative bacteria widely found in soil, rivers, and lakes. When these Legionella bacteria contaminate public bath facilities, hot water systems, or filtration devices, they can infect the human body and potentially cause severe infections such as Legionnaires' disease. Therefore, testing for Legionella bacteria is conducted by various analytical companies worldwide for the purpose of environmental purification management. In May 2017, ISO 11731, which describes methods for counting Legionella in environmental water, was revised, and it proposed a "filtration concentration method using a membrane filter" for the concentration of water samples. Additionally, a direct attachment method for capturing Legionella has also been proposed. Pall handles membrane filters that meet the conditions specified in this ISO 11731.
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basic information
〇 Filtration Concentration Method ISO 11731 Specification: Membrane filter made of polycarbonate or polyethersulfone (PES) with a pore size of 0.2 µm and a diameter ranging from 47 mm to 147 mm. Applicable Product: Supor 200 membrane disc membrane, 0.2 µm, 47 mm - 142 mm. This is a membrane disc filter made of Supor (PES). It is useful for testing Legionella species as specified by ISO 11731. 〇 Direct Adhesion Method ISO 11731 Specification: Membrane filter made of nitrocellulose or cellulose mixed esters with a pore size of 0.2 or 0.45 µm and a diameter ranging from 47 mm to 50 mm. Applicable Product: GN-6 Metricel membrane, 0.45 µm, 47 mm, white, without grid, gamma-ray sterilized. This is a disc filter with a GN-6 Metricel membrane made of cellulose mixed esters.
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Applications/Examples of results
It can be used for Legionella testing of environmental water and hot water. 〇 Filtration Concentration Method ISO 11731 Specification: Use membrane filters made of polycarbonate or polyethersulfone (PES) with a pore size of 0.2 µm and diameters ranging from 47 mm to 147 mm. Applicable Product: Supor 200 Membrane Disc Membrane, 0.2 µm, 47 mm - 142 mm 〇 Direct Adhesion Method ISO 11731 Specification: Use membrane filters made of nitrocellulose or cellulose mixed esters with a pore size of 0.2 or 0.45 µm and diameters ranging from 47 mm to 50 mm. Applicable Product: GN-6 Metricel Membrane, 0.45 µm, 47 mm, White, No Grid, Gamma Sterilized
Detailed information
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60301 Supor 200 Membrane Disc Membrane, 0.2 µm, 47 mm, 100 pieces/pack 60334 Supor 200 Membrane Disc Membrane, 0.2 µm, 90 mm, 100 pieces/pack 60306 Supor 200 Membrane Disc Membrane, 0.2 µm, 142 mm, 25 pieces/pack
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66265 GN-6 Metricel Membrane, 0.45 µm, 47 mm, White, No Grid, Gamma Sterilized, 200 pieces/pack 66278 GN-6 Metricel Membrane, 0.45 µm, 47 mm, White, With Grid, Gamma Sterilized, 200 pieces/pack
Company information
Cytiva and Pall Life Sciences have merged their businesses and will officially launch under the "Cytiva" brand on May 1, 2023. Under our mission of "Advancing therapies, faster," we will integrate both organizations and focus even more on supporting the development and manufacturing of better therapies for patients as a stronger global provider of technologies and services. The new Cytiva will offer a broader and deeper expertise and a rich lineup of products and services to better support various customers involved in research and the manufacturing and development of biopharmaceuticals, enabling them to deliver therapies to patients more quickly, from discovery to delivery. With a rich history spanning several hundred years, Pall Life Sciences and Cytiva, as part of the Danaher Group, will continue to unite to provide better services to our customers.