AM Scientific

DESCRIPTIONGeneral descriptionMembrane filtration before separation via liquid chromatography removes contaminating particles from solvents and mobile phases, increasing column life, preventing system failure, and ensuring pure samples for downstream mass spectrometric analysis.ApplicationSterilizing filtration of biological solutionsFeatures and Benefits

• provides high flow rates and throughput, low extractables, and broad chemical compatibility
• solvent and heat resistant
• exhibits very low protein binding to minimize interaction with the sample and maximize recovery
• varied pores sizes to suit different application needs

Other NotesDirections for Use

• Organism Retention: Microorganism
• Mode of Action: Filtration (size exclusion)
• Application: General laboratory filtration
• Intended Use: Retention or removal of biological contaminants
• Instructions for Use: Sterilizing filtration of a liquid through a membrane with a 0.2 μm (or smaller) pore size effectively removes biological contaminants, including bacteria, mold and yeast. For the selective retention of larger biological contaminents, liquid filtration through membranes with 0.45 μm (or larger) pore sizes may be used to trap and support microorganism growth for subsequent culture and analysis
• Storage Statement: Store in dry location
• Disposal Statement: Dispose of in accordance with applicable federal, state and local regulations.

DESCRIPTIONGeneral descriptionBiologically inert mixtures of cellulose acetate and cellulose nitrate have made MF-Millipore membrane filters one of the most widely used membranes in analytical and research applications.

MF-Millipore filters without Triton surfactant contain minimum amounts of wetting agent and have a lower water extractable content than standard MF-Millipore filters.

Features & Benefits:
- Versatile filter for biological and environmental monitoring applications
- Available in a range of pore sizes, colored black or white, with or without a gridded surface
- Compatible with ethylene oxide, gamma irradiation, and autoclave sterilization methodsFilter Code: GSWPApplication

• Sterilizing filtration
• Bioassays
• Isolation of virus-like particles in wastewater
• Microplastics analysis grade water
• Nucleic acid binding, including eDNA

An MCE (Mixed Cellulose Ester) membrane filter with a 0.45 μm pore size is a widely used filter for various applications, particularly in microbiology and analytical chemistry. It's a thin, porous membrane composed of a mixture of cellulose acetate and cellulose nitrate. The 0.45 μm pore size effectively retains bacteria and larger microorganisms while allowing smaller molecules and ions to pass through. Key characteristics and applications:

• Composition:A blend of cellulose acetate and cellulose nitrate, offering a balance of properties for diverse uses. 
• Pore Size:0.45 μm, meaning it retains particles and microorganisms larger than 0.45 micrometers. 
• Applications:
  • Microbial Filtration: Used to sterilize or clarify liquid media, buffers, and solutions in microbiology and cell culture by removing bacteria. 
  • Sample Preparation: Removes particulates from samples before analysis in analytical laboratories. 
  • Environmental Monitoring: Filters water and air samples to concentrate microorganisms or particulates for analysis. 
  • Food and Beverage Industry: Clarifies or sterilizes liquids in food and beverage production. 
• Other features:
  • Hydrophilic: Easily wetted by water, making it suitable for aqueous solutions. 
  • Sterilization: Compatible with ethylene oxide, gamma irradiation, and autoclave sterilization methods. 
  • Relatively low cost: Compared to some other membrane types. 
  • Not resistant to strong acids and alkalis: Suitable for use with a wide range of solvents and solutions but not strong acids or bases. 
• Considerations:While 0.45 μm is a common pore size for general microbiological filtration, it's important to choose the right pore size for specific applications, as some microorganisms may be smaller than 0.45 μm and require smaller pore sizes for complete removal. 

The Millipore HAWP04700 filter is a 47mm diameter, 0.45 μm pore size, hydrophilic, mixed cellulose ester (MCE) membrane filter used for general laboratory filtration. It is a white, plain-surfaced filter designed for clarifying aqueous solutions, with excellent flow rates and a low protein-binding capacity. This filter is suitable for removing microorganisms or particulates and can be sterilized by autoclaving, ethylene oxide, or gamma irradiation. Key features

• Material: Mixed Cellulose Ester (MCE)
• Pore size: 0.45 µm
• Diameter: 47 mm
• Surface: Plain, white
• Hydrophilicity: Hydrophilic
• Binding: Low protein-binding, making it suitable for protein solutions and aqueous samples
• Sterilization: Can be sterilized by autoclaving, ethylene oxide, or gamma irradiation
• Applications: General laboratory filtration, clarification of aqueous solutions, nutrient media, buffers, and sera
• Packaging: Available in packs of 100 filters 

The code "HAWP04700" is not a Merck share grade or stock ticker. It is a product number for a specific type of Merck Millipore membrane filter, used for laboratory and scientific applications. The HAWP04700 is an MF-Millipore™ membrane filter with the following specifications: 

• Material: Mixed Cellulose Esters (MCE), which is biologically inert.
• Pore Size: 0.45 µm.
• Diameter: 47 mm.
• Color: White (plain surface).
• Usage: Commonly used for clarification of aqueous solutions, particle analysis, and microbiology analysis due to its low protein-binding and hydrophilic properties.
• Packaging: Typically sold in packs of 100 discs. The product code HAWP04700 refers to a specific Merck Millipore MF-Millipore™ membrane filter, not a share description. This product is a laboratory consumable used for filtration in scientific and research applications. Product Description
  • Manufacturer: Merck Millipore
  • Product Name: MF-Millipore™ Membrane Filter
  • Material: Mixed cellulose esters (MCE), a blend of cellulose acetate and cellulose nitrate
  • Pore Size: 0.45 µm, which is effective for retaining bacteria and larger microorganisms
  • Diameter: 47 mm
  • Color/Surface: White, plain surface
  • Packaging: Typically sold in packs of 100 discs
  • Properties: Hydrophilic (easily wetted by water), non-sterile (requires autoclaving or other sterilization methods before use in sterile applications), and has a low protein-binding capacity. 
  Common ApplicationsThis filter is widely used in analytical and research settings for: 
  • Microbiology analysis: Trapping microorganisms for culture and analysis.
  • Clarification of aqueous solutions: Removing particulates from liquid media, buffers, and sera.
  • Particle analysis: Used for filtering water and air samples to concentrate microorganisms or particulates for testing.
  • Environmental monitoring: Isolation of virus-like particles in wastewater and microplastics analysis.

DESCRIPTIONGeneral description

• MF-Millipore^® membrane filters are Mixed Cellulose Esters (MCE) of cellulose acetate and cellulose nitrate.
• Ideal for use in biological and environmental monitoring and various analytical/research applications.
• Filters are compatible with ethylene oxide, gamma irradiation, and autoclave sterilization methods.
• Available in various formats and pore sizes to suit your application needs.

Application

• QC of fluid holding tanks
• Fluid monitoring
• Particle collection
• Particle analysis

An MCE (Mixed Cellulose Esters) membrane filter with a 1.2 μm pore size, manufactured by Millipore (now part of Merck), is a type of filter commonly used in analytical and research applications. These filters are known for their versatility in biological and environmental monitoring due to their inertness and availability in various pore sizes and configurations. The 1.2 μm pore size indicates that the filter can effectively retain particles and microorganisms larger than 1.2 micrometers in size. Here's a more detailed description:

• Material: The filter is made from a mixture of cellulose acetate and cellulose nitrate, known for its biological inertness. 
• Pore Size: The 1.2 μm pore size means the filter will retain particles and microorganisms larger than 1.2 micrometers, allowing smaller particles and fluids to pass through. 
• Manufacturer: These filters are produced by Millipore, now part of Merck. 
• Applications: They are widely used in various applications, including:
  • Air Monitoring: Collecting airborne particulate matter for analysis. 
  • Water Monitoring: Filtering water samples to remove contaminants. 
  • Microbiological Analysis: Isolating and culturing microorganisms. 
  • Sample Preparation: Clarifying solutions before analysis. 
• Features:
  • Hydrophilic: The filters are hydrophilic, meaning they are easily wetted by water. 
  • White or Gridded: They are available in white or with a grid pattern for easier particle counting. 
  • Plain or Gridded: They can be plain or gridded depending on the specific application. 
• Flow Rate: The filters have a specified air flow rate (20 L/min-cm²) and water flow rate (270 mL/min-cm²). 
• Temperature: They can withstand a maximum temperature of 75°C. 

"MCE 5.0um wh pl 47mm 100/pk" refers to a type of membrane filter, specifically a Mixed Cellulose Ester (MCE) filter with a 5.0 micrometer (µm) pore size, white color, and a 47 millimeter (mm) diameter, packaged as a pack of 100. These filters are commonly used in laboratory settings for applications like microbiological analysis, particulate testing, and air monitoring. Here's a more detailed breakdown:

• MCE:Indicates the filter material is a mixture of cellulose acetate and cellulose nitrate. 
• 5.0um:Specifies the pore size of the filter, meaning it will retain particles larger than 5.0 micrometers. 
• wh:Indicates the filter is white in color. 
• pl:Likely refers to "plain," meaning the filter does not have an edge or other specialized feature. 
• 47mm:Specifies the diameter of the filter disc, which is a common size for laboratory filtration equipment. 
• 100/pk:Denotes that the product comes in a package containing 100 individual filter discs. 

• MF-Millipore^® membrane filters are Mixed Cellulose Esters (MCE) of cellulose acetate and cellulose nitrate.
• Ideal for use in biological and environmental monitoring and various analytical/research applications.
• Filters are compatible with ethylene oxide, gamma irradiation, and autoclave sterilization methods.
• Available in various formats and pore sizes to suit your application needs.

We are committed to bringing you Greener Alternative Products, which have been re-engineered to enable more sustainable research solutions. The inner & outer boxes containing the membrane discs are made from bio-circular material allocated using the ISCC mass balance approach. Click here for more information.
Need a custom membrane filter? Click here to request a custom membrane filter or unique and large package sizes that may not be available via our website.Application

• QC of fluid holding tanks
• Fluid monitoring
• Particle collection
• Particle analysis

Legal InformationASTM is a registered trademark of American Society for Testing and MaterialsMF-Millipore is a trademark of Merck KGaA, Darmstadt, GermanyMillipore is a registered trademark of Merck KGaA, Darmstadt, Germany

Millipore filter papers are laboratory-grade membranes made from mixed cellulose esters (MCE) that are used for separating solids from liquids or gases. They are available in various pore sizes (e.g., 0.45 µm, 0.22 µm) and come in different colors and surface finishes (plain or gridded) to suit specific analytical needs. Key properties include their hydrophilic nature, retention capability, and chemical resistance, making them suitable for applications like microbiological analysis, particulate testing, and sterile filtration. Key characteristics

• Material: MF-Millipore membranes are typically made from a mixture of cellulose acetate and cellulose nitrate.
• Pore size: Available in various sizes, such as 0.45 µm, 0.22 µm, and 5.0 µm, which determines the size of particles that can be retained.
• Surface finish: Can be plain (smooth) or gridded, with gridded filters providing a background for counting colonies.
• Color: Available in white, black, and green, with the color selected to provide contrast for easy viewing of particles or microorganisms.
• Hydrophilic: Many are hydrophilic, meaning they are easily wetted by water, which is ideal for filtering aqueous solutions. Common uses
  • Microbiological analysis: For collecting and identifying microorganisms.
  • Particulate testing: To measure and analyze particles in liquids or air.
  • Air monitoring: Used to filter and analyze airborne particulates.
  • Sterile filtration: To clarify and prevent microbial contamination in cell culture media, buffers, and other biological samples.
  • Protein binding: Some membranes have a specified protein binding capacity, which is relevant for protein analysis. 

The Merck GSWP04700 is a popular MF-Millipore Membrane Filter, a 47mm diameter, white, hydrophilic disc made from mixed cellulose esters (MCE) with a 0.22 µm pore size, used widely in analytical and research applications for sterilizing filtration, microbial analysis, and general lab filtration, offering good flow rates and chemical compatibility. Key Specifications:

• Material: Mixed Cellulose Esters (Cellulose Acetate & Cellulose Nitrate).
• Pore Size: 0.22 µm (micrometers).
• Diameter: 47 mm.
• Color: White.
• Surface: Plain.
• Hydrophilicity: Yes (hydrophilic).
• Quantity: Typically sold in packs of 100 discs. 

Common Uses:

• Sterile filtration of aqueous solutions, buffers, and sera.
• Microbiological analysis (bacteria, mold, yeast retention).
• Environmental monitoring.
• General laboratory filtration. 

Features:

• Biologically inert and compatible with sterilization methods like autoclaving and gamma irradiation.
• Provides good flow rates.
• Can be used for low protein binding applications. 

The Merck Millipore AAWP04700 is a MF-Millipore™ membrane filter made of Mixed Cellulose Esters (MCE), featuring a 0.8 m pore size and a 47 mm diameter. These white, hydrophilic, plain filters are designed for laboratory filtration, including aqueous solution clarification and environmental monitoring. Merck Millipore +3Key Features and Specifications:

• Material: Mixed Cellulose Esters (MCE).
• Pore Size: 0.8 m.
• Diameter: 47 mm.
• Color: White.
• Surface: Plain (non-gridded).
• Quantity: 100 per pack.
• Sterility: Non-sterile.
• Application: Ideal for environmental monitoring and air analysis, as well as biological research

The Millipore AAWP02500 is a 25 mm diameter MF-Millipore™ membrane filter made of mixed cellulose esters (MCE), designed for microfiltration with a 0.8 m pore size. It is a white, plain, hydrophilic, and non-sterile membrane commonly used for particle monitoring, air monitoring, and bioassays. Sigma-Aldrich +3Key Product Details:

• Material: Mixed Cellulose Esters (MCE), providing a biologically inert, high-porosity (82%) matrix.
• Pore Size & Diameter: 0.8 m pore size; 25 mm disc diameter.
• Performance: 190 mL/min-cm water flow rate and 16 L/min-cm air flow rate.
• Applications: Ideal for removing particulate matter, air monitoring, and microbial analysis.
• Compatibility: Compatible with autoclave, EO, and gamma irradiation sterilization methods.
• Packing: Typically sold in packs of 100.

Biologically inert mixtures of cellulose acetate and cellulose nitrate have made MF-Millipore™ membrane filters one of the most widely used membranes in analytical and research applications. MF-Millipore™ filters without Triton® surfactant contain minimum amounts of wetting agent and have a lower water extractable content than standard MF-Millipore™ filters. Features & Benefits: - Versatile filter for biological and environmental monitoring applications - Available in a range of pore sizes, colored black or white, with or without a gridded surface - Compatible with ethylene oxide, gamma irradiation, and autoclave sterilization methods

Description

General descriptionBiologically inert mixtures of cellulose acetate and cellulose nitrate have made MF-Millipore membrane filters one of the most widely used membranes in analytical and research applications.

MF-Millipore filters without Triton surfactant contain minimum amounts of wetting agent and have a lower water extractable content than standard MF-Millipore filters.

Features & Benefits:
- Versatile filter for biological and environmental monitoring applications
- Available in a range of pore sizes, colored black or white, with or without a gridded surface
- Compatible with ethylene oxide, gamma irradiation, and autoclave sterilization methods

Millipore S-Pak® Membrane Filters (0.45µm, 47mm, white gridded) are sterile, individually packed filters designed for microbiological analysis, particularly in food, beverage, and water testing. Made from Mixed Cellulose Esters (MCE), they ensure high, consistent recovery of microorganisms and have no toxic effects. Merck Millipore +2Key Features and Specifications:

• Material: Mixed Cellulose Esters (MCE)
• Pore Size: 0.45 µm
• Diameter: 47 mm
• Color/Grid: White with black grid (for easy colony counting)
• Sterility: Sterile, individually packed with a blue separator paper that prevents sticking and protects the membrane
• Applications: Ideal for bacterial analysis of water, wine, beer, and beverages
• Compatibility: Complies with ISO 7704 standards 

Millipore S-Pak® Membrane Filters (0.45µm, 47mm, white gridded) are sterile, individually packed filters designed for microbiological analysis, particularly in food, beverage, and water testing. Made from Mixed Cellulose Esters (MCE), they ensure high, consistent recovery of microorganisms and have no toxic effects. Merck Millipore +2Key Features and Specifications:

• Material: Mixed Cellulose Esters (MCE)
• Pore Size: 0.45 µm
• Diameter: 47 mm
• Color/Grid: White with black grid (for easy colony counting)
• Sterility: Sterile, individually packed with a blue separator paper that prevents sticking and protects the membrane
• Applications: Ideal for bacterial analysis of water, wine, beer, and beverages
• Compatibility: Complies with ISO 7704 standards 

The Millipore Durapore HVLP04700 is a hydrophilic PVDF (Polyvinylidene Fluoride) membrane filter with a pore size of 0.45 µm and a diameter of 47 mm. It is designed for clarifying filtration of biological solutions and offers high flow rates, throughput, low extractables, and broad chemical compatibility. It's also known for low protein binding, minimizing interaction with the sample and maximizing recovery. Here's a more detailed breakdown:

• Material: Hydrophilic PVDF (Polyvinylidene Fluoride). 
• Pore Size: 0.45 µm, which is commonly used for general microbiological filtration and for retaining bacteria and other microorganisms. 
• Diameter: 47 mm. 
• Hydrophilic: Attracts water, making it suitable for aqueous solutions. 
• Low Protein Binding: Minimizes interaction with proteins, which is important for many biological applications. 
• Applications: Clarifying filtration of biological solutions, sterilization (in some cases), and general filtration where low protein binding is desired. 
• Key Properties: High flow rates, high throughput, low extractables, and broad chemical compatibility. 

The "MILLIPORE DURAPORE PVDF 45UM WH PL 47MM" is a Durapore® membrane filter from Merck Millipore. It's made of polyvinylidene fluoride (PVDF) and has a pore size of 0.45 micrometers. The "47MM" indicates its diameter, and "WH PL" likely refers to the color (white) and packaging (plain). This type of membrane is known for its high flow rates and throughput, low extractables, and broad chemical compatibility. It's also hydrophilic, meaning it readily wets with water, and binds very little protein, making it suitable for applications where protein recovery is important. Here's a more detailed breakdown:

• Durapore® Membrane:A brand name for a specific type of membrane filter produced by Merck Millipore. 
• PVDF:The material the membrane is made of, which is known for its chemical resistance and thermal stability. 
• 0.45 µm:The pore size, which determines the size of particles that can pass through the membrane. 
• 47 mm:The diameter of the filter. 
• WH PL:Likely indicates the color (white) and packaging (plain). 
• Hydrophilic:The membrane attracts water, making it easy to wet and use with aqueous solutions. 
• Low Protein Binding:PVDF membranes, particularly Durapore®, bind very little protein, which is important in applications where protein recovery is crucial. 
• Applications:Durapore® membranes are often used for clarifying biological solutions, air and gas filtration, and HPLC sample preparation.