Merck - Filters and Filtration - Chromatography - Lab supplies

We have developed a unique portfolio of consumables, each adapted to the different feed water quality requirements and to your various applications. To maintain your water system’s performance, it’s critical to replace your purification cartridges on time and with genuine ISO 9001-certified parts.

Catalog No.		Product	Net Price
	LSWG04700	Mitex Membrane Filter	397	Add to Cart
Air Flow Rate 9 L/min x cm² Background Information Mitex™ PTFE Membrane is unaffected by almost all liquids, including organic solvents, concentrated acids and bases, propellants, and cryogenic fluids. Mitex™ membrane is unbacked, yet is easy to handle, combining the convenience of a backed membrane with the versatility of a pure PTFE membrane. Mitex™ membrane is hydrophobic.Features & Benefits:•Broad chemical compatibility •Biologically and chemically inert •Stable at temperatures in excess of 260 °C (500 °F) and below -100 °C (-148 °F)* Applications:Clarifying Acids, Bases, and Cryogenic Fluids; Clarifying Propellants; Analyzing Hydraulic Fluids; Isolating RNA Catalogue Number LSWG04700 Chemistry Hydrophobic Polytetrafluoroethylene (PTFE) Filter Code LSWG Filter Color White Filter Diameter (⌀) 47 mm Filter Surface Gridded Filter Type Screen filter Flow Rate 9 L/min x cm² Material Size 100 pack, PTFE, hydrophobic, 5.0 µm, 47 mm, white, gridded Maximum Operating Temperature 260◦C; curling may occur at temperatures above 60◦C Media Mitex® Pore Size 5.0 µm Porosity % 60% Thickness 170 µm Trade Name Mitex Wettability Hydrophobic
	LSWG04700	Mitex Membrane Filter	Special offer	Add to Cart
Air Flow Rate 9 L/min x cm² Background Information Mitex™ PTFE Membrane is unaffected by almost all liquids, including organic solvents, concentrated acids and bases, propellants, and cryogenic fluids. Mitex™ membrane is unbacked, yet is easy to handle, combining the convenience of a backed membrane with the versatility of a pure PTFE membrane. Mitex™ membrane is hydrophobic.Features & Benefits:•Broad chemical compatibility •Biologically and chemically inert •Stable at temperatures in excess of 260 °C (500 °F) and below -100 °C (-148 °F)* Applications:Clarifying Acids, Bases, and Cryogenic Fluids; Clarifying Propellants; Analyzing Hydraulic Fluids; Isolating RNA Catalogue Number LSWG04700 Chemistry Hydrophobic Polytetrafluoroethylene (PTFE) Filter Code LSWG Filter Color White Filter Diameter (⌀) 47 mm Filter Surface Gridded Filter Type Screen filter Flow Rate 9 L/min x cm² Material Size 100 pack, PTFE, hydrophobic, 5.0 µm, 47 mm, white, gridded Maximum Operating Temperature 260◦C; curling may occur at temperatures above 60◦C Media Mitex® Pore Size 5.0 µm Porosity % 60% Thickness 170 µm Trade Name Mitex Wettability Hydrophobic
	LSWP09025	Mitex Membrane Filter	304	Add to Cart
Air Flow Rate 9 L/min x cm² Background Information Mitex™ PTFE Membrane is unaffected by almost all liquids, including organic solvents, concentrated acids and bases, propellants, and cryogenic fluids. Mitex™ membrane is unbacked, yet is easy to handle, combining the convenience of a backed membrane with the versatility of a pure PTFE membrane. Mitex™ membrane is hydrophobic.Features & Benefits:•Broad chemical compatibility •Biologically and chemically inert •Stable at temperatures in excess of 260 °C (500 °F) and below -100 °C (-148 °F)* Applications:Clarifying Acids, Bases, and Cryogenic Fluids; Clarifying Propellants; Analyzing Hydraulic Fluids; Isolating RNA Catalogue Number LSWP09025 Chemistry Hydrophobic Polytetrafluoroethylene (PTFE) Filter Code LSWP Filter Color White Filter Diameter (⌀) 90 mm Filter Surface Plain Filter Type Screen filter Flow Rate 9 L/min x cm² Material Size 25 pack, PTFE, hydrophobic, 5.0 µm, 90 mm, white, plain Maximum Operating Temperature 260◦C; curling may occur at temperatures above 60◦C Media Mitex® Pore Size 5.0 µm Porosity % 60% Thickness 170 µm Trade Name Mitex Wettability Hydrophobic
	LSWP09025	Mitex Membrane Filter	304	Add to Cart
Air Flow Rate 9 L/min x cm² Background Information Mitex™ PTFE Membrane is unaffected by almost all liquids, including organic solvents, concentrated acids and bases, propellants, and cryogenic fluids. Mitex™ membrane is unbacked, yet is easy to handle, combining the convenience of a backed membrane with the versatility of a pure PTFE membrane. Mitex™ membrane is hydrophobic.Features & Benefits:•Broad chemical compatibility •Biologically and chemically inert •Stable at temperatures in excess of 260 °C (500 °F) and below -100 °C (-148 °F)* Applications:Clarifying Acids, Bases, and Cryogenic Fluids; Clarifying Propellants; Analyzing Hydraulic Fluids; Isolating RNA Catalogue Number LSWP09025 Chemistry Hydrophobic Polytetrafluoroethylene (PTFE) Filter Code LSWP Filter Color White Filter Diameter (⌀) 90 mm Filter Surface Plain Filter Type Screen filter Flow Rate 9 L/min x cm² Material Size 25 pack, PTFE, hydrophobic, 5.0 µm, 90 mm, white, plain Maximum Operating Temperature 260◦C; curling may occur at temperatures above 60◦C Media Mitex® Pore Size 5.0 µm Porosity % 60% Thickness 170 µm Trade Name Mitex Wettability Hydrophobic
	FMLW04700	Fluoropore Membrane Filter	474	Add to Cart
Air Flow Rate 6 L/min x cm² Background Information Unlike fibrous filter media that trap particles in their matrix, Fluoropore™ (hydrophobic PTFE) membranes collect particles on their surface, which make them ideal candidates for use in airborne particle monitoring applications. This surface collection provides better detection efficiencies and lower FWHM measurements. (FWHM is defined as the full width at half of the maximum height of the P0-218 peak obtained during sampling of room air.) •High collection efficiency •Extremely low pressure drop •Higher throughput capacity •Black backing ensures proper orientation Choice of Pore Sizes:Fluoropore membranes are available in 3 µm (FSLW) and 5 µm (FMLW) pore sizes - the smaller pore size provides low FWHM; the larger pore size has very low pressure drop and greater throughput capacity, which minimizes the number of filter changeouts.Contrasting Backing Material:The white backing of our FMLW filter is gridded to assist in identifying membrane orientation for the correct installation into sampling devices. Catalogue Number FMLW04700 Chemistry Hydrophobic Polytetrafluoroethylene (PTFE) Filter Code FMLW Filter Color White Filter Diameter (⌀) 47 mm Filter Surface Gridded Filter Type Screen filter Flow Rate 6 L/min x cm² Material Size 100 pack, PTFE, hydrophobic, 5.0 µm, 47 mm, white, gridded on one side Maximum Operating Temperature 130 °C Media Fluoropore® Pore Size 5.0 µm Porosity % 85% Thickness 150 µm Trade Name Fluoropore Wettability Hydrophobic
	FMLW04700	Fluoropore Membrane Filter	474	Add to Cart
Air Flow Rate 6 L/min x cm² Background Information Unlike fibrous filter media that trap particles in their matrix, Fluoropore™ (hydrophobic PTFE) membranes collect particles on their surface, which make them ideal candidates for use in airborne particle monitoring applications. This surface collection provides better detection efficiencies and lower FWHM measurements. (FWHM is defined as the full width at half of the maximum height of the P0-218 peak obtained during sampling of room air.) •High collection efficiency •Extremely low pressure drop •Higher throughput capacity •Black backing ensures proper orientation Choice of Pore Sizes:Fluoropore membranes are available in 3 µm (FSLW) and 5 µm (FMLW) pore sizes - the smaller pore size provides low FWHM; the larger pore size has very low pressure drop and greater throughput capacity, which minimizes the number of filter changeouts.Contrasting Backing Material:The white backing of our FMLW filter is gridded to assist in identifying membrane orientation for the correct installation into sampling devices. Catalogue Number FMLW04700 Chemistry Hydrophobic Polytetrafluoroethylene (PTFE) Filter Code FMLW Filter Color White Filter Diameter (⌀) 47 mm Filter Surface Gridded Filter Type Screen filter Flow Rate 6 L/min x cm² Material Size 100 pack, PTFE, hydrophobic, 5.0 µm, 47 mm, white, gridded on one side Maximum Operating Temperature 130 °C Media Fluoropore® Pore Size 5.0 µm Porosity % 85% Thickness 150 µm Trade Name Fluoropore Wettability Hydrophobic
	NY0502500	Nylon Net Filter	141	Add to Cart
Background Information Nylon filters are compatible with a broad range of solvents. Two types are available: 1) Nylon Membrane Filters with pore sizes ranging from 0.20 to 1.2 µm, and 2) Woven Net Filters with mesh openings ranging from 5 to 180 µm. Our 5 µm Nylon Woven Net Filter (NY054700) is commonly used in the automotive industry for cleanliness analysis. Features & Benefits:•Wide range of pore sizes available •Resistant to aggressive solvents Applications:Particle Removal and Clarification; Solvent Filtration; Particle Analysis; Paint Monitoring; Automotive Cleanliness Analysis Catalogue Number NY0502500 Chemistry Nylon Diameter Biological Information Wettability Filter Code NY05 Filter Color White Filter Diameter (⌀) 25 mm Filter Surface Plain Filter Type Net filter Material Size 100 Maximum Operating Temperature 100°C max; curling may be seen at temperatures above 75°C. Pore Size 5.0 µm Thickness 100 µm Wettability Hydrophilic
	NY0504700	Nylon Net Filter	151	Add to Cart
Background Information Nylon filters are compatible with a broad range of solvents. Two types are available: 1) Nylon Membrane Filters with pore sizes ranging from 0.20 to 1.2 µm, and 2) Woven Net Filters with mesh openings ranging from 5 to 180 µm. Our 5 µm Nylon Woven Net Filter (NY054700) is commonly used in the automotive industry for cleanliness analysis. Features & Benefits:•Wide range of pore sizes available •Resistant to aggressive solvents Applications:Particle Removal and Clarification; Solvent Filtration; Particle Analysis; Paint Monitoring; Automotive Cleanliness Analysis Catalogue Number NY0504700 Chemistry Nylon Diameter Biological Information Wettability Filter Code NY05 Filter Color White Filter Diameter (⌀) 47 mm Filter Surface Plain Filter Type Net filter Material Size 100 Maximum Operating Temperature 100°C max; curling may be seen at temperatures above 75°C. Pore Size 5.0 µm Thickness 100 µm Wettability Hydrophilic
	NY0504700	Nylon Net Filter	151	Add to Cart
Background Information Nylon filters are compatible with a broad range of solvents. Two types are available: 1) Nylon Membrane Filters with pore sizes ranging from 0.20 to 1.2 µm, and 2) Woven Net Filters with mesh openings ranging from 5 to 180 µm. Our 5 µm Nylon Woven Net Filter (NY054700) is commonly used in the automotive industry for cleanliness analysis. Features & Benefits:•Wide range of pore sizes available •Resistant to aggressive solvents Applications:Particle Removal and Clarification; Solvent Filtration; Particle Analysis; Paint Monitoring; Automotive Cleanliness Analysis Catalogue Number NY0504700 Chemistry Nylon Diameter Biological Information Wettability Filter Code NY05 Filter Color White Filter Diameter (⌀) 47 mm Filter Surface Plain Filter Type Net filter Material Size 100 Maximum Operating Temperature 100°C max; curling may be seen at temperatures above 75°C. Pore Size 5.0 µm Thickness 100 µm Wettability Hydrophilic
	NY0509050	Nylon Net Filter	126	Add to Cart
Background Information Nylon filters are compatible with a broad range of solvents. Two types are available: 1) Nylon Membrane Filters with pore sizes ranging from 0.20 to 1.2 µm, and 2) Woven Net Filters with mesh openings ranging from 5 to 180 µm. Our 5 µm Nylon Woven Net Filter (NY054700) is commonly used in the automotive industry for cleanliness analysis. Features & Benefits:•Wide range of pore sizes available •Resistant to aggressive solvents Applications:Particle Removal and Clarification; Solvent Filtration; Particle Analysis; Paint Monitoring; Automotive Cleanliness Analysis Catalogue Number NY0509050 Chemistry Nylon Diameter Biological Information Wettability Filter Code NY05 Filter Color White Filter Diameter (⌀) 90 mm Filter Surface Plain Filter Type Net filter Material Size 50 Maximum Operating Temperature 100°C max; curling may be seen at temperatures above 75°C. Pore Size 5.0 µm Thickness 50 µm Wettability Hydrophilic

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Overview

Analytical Sample Preparation Membrane Filtration Devices

Trust Merck membrane filtration devices for the collection and preparation of samples, mobile phases, and buffers to obtain the highest quality results from downstream analysis.

Whether you need to collect, separate, or remove contaminants from air or fluid samples prior to downstream analysis, our broad selection of syringe filters, membranes, filter holders and related filtration devices ensures that we have the right solution for your application.

Filter Membranes

Millex® Syringe Filters

Filtration Holders & Accessories

Resources

Samplicity® G2 Filtration System with Millex Samplicity® and Millex® Filters

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