Sintered glass filter diagram

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Category: Sintered glass filter diagram

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More E This test method covers the determination of maximum pore diameter and permeability of rigid porous filters used in the laboratory for filtration or diffusion. They are applicable to filters made of sintered glass, ceramic, metal, or plastic. This test method establishes a uniform designation for maximum pore diameter and also provides a means of detecting and measuring changes which occur through continued use.

Maximum pore diameter is determined by immersing the filter in a suitable test liquid and applying air pressure until the first bubble of air passes through the filter. The maximum pore diameter is calculated from the surface tension of the test liquid and the applied pressure. Permeability is determined by measuring the flow of air through the filter when subjected to a pressure differential. This abstract is a brief summary of the referenced standard.

It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. No other units of measurement are included in this standard. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Scope 1. Link to Active This link will always route to the current Active version of the standard.Filtration is a physical, biological or chemical operation that separates solid matter and fluid from a mixture with a filter medium that has a complex structure through which only the fluid can pass.

Solid particles that cannot pass through the filter medium are described as oversize and the fluid that passes through is called the filtrate. The size of the largest particles that can successfully pass through a filter is called the effective pore size of that filter. The separation of solid and fluid is imperfect; solids will be contaminated with some fluid and filtrate will contain fine particles depending on the pore size, filter thickness and biological activity.

Filtration occurs both in nature and in engineered systems; there are biologicalgeologicaland industrial forms. There are many different methods of filtration; all aim to attain the separation of substances.

Separation is achieved by some form of interaction between the substance or objects to be removed and the filter. The substance that is to pass through the filter must be a fluidi.

Methods of filtration vary depending on the location of the targeted material, i.

sintered glass filter diagram

There are several filtration techniques depending on the desired outcome namely, hot, cold and vacuum filtration. Some of the major purposes of getting the desired outcome are, for the removal of impurities from a mixture or, for the isolation of solids from a mixture. Hot filtration method is mainly used to separate solids from a hot solution. This is done in order to prevent crystal formation in the filter funnel and other apparatuses that comes in contact with the solution.

As a result, the apparatus and the solution used are heated in order to prevent the rapid decrease in temperature which in turn, would lead to the crystallization of the solids in the funnel and hinder the filtration process.

Due to the absence of stem in the filter funnel, there is a decrease in the surface area of contact between the solution and the stem of the filter funnel, hence preventing re-crystallization of solid in the funnel, adversely affecting filtration process. Cold Filtration method is the use of ice bath in order to rapidly cool down the solution to be crystallized rather than leaving it out to cool it down slowly in the room temperature.

This technique results to the formation of very small crystals as opposed to getting large crystals by cooling the solution down at room temperature. Vacuum Filtration technique is most preferred for small batch of solution in order to quickly dry out small crystals.

Two main types of filter media are employed in laboratories: a surface filtera solid sieve which traps the solid particles, with or without the aid of filter paper e. The first type allows the solid particles, i. However, the second type is less prone to clogging due to the greater surface area where the particles can be trapped. Also, when the solid particles are very fine, it is often cheaper and easier to discard the contaminated granules than to clean the solid sieve.Don't have a profile?

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sintered glass filter diagram

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sintered glass filter diagram

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Bioprocess Systems And Accessories. Cell Based Assays.Don't have a profile? Designed for use in vacuum filtration procedures with classic Glass Filter Holders. Designed to replace parts contained in glass vacuum filtration kits or provide for an alternative configuration.

Useful where filter paper would be attacked by material being filtered. Cylindrical style addition funnel with pressure equalizing arm and PTFE stopcock.

Cylindrical style addition funnel with pressure equalizing arm. Stopper No. Ideal when necessary to wash precipitates and redissolve with chemicals that would attack filter paper. Cylindrical style addition funnel with pressure equalizing arm and glass stopcock. Used for routine filtration of corrosive liquids and removal of particles from HPLC solvents. Analyze particulate or biological contamination via vacuum filtration. Mate to filtering flask via conical rubber seal GUKO.

Thermal shock and chemical resistant.

Filtration

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sintered glass filter diagram

View All Protein Biology. View All Life Sciences. Calibration Weights. Laboratory Balances. Weighing Papers and Dishes. Cell Culture Media. Cryogenic Storage. Fetal Calf and Other Sera. Serological Pipettes. View All Cell Culture. Bioprocess Systems And Accessories. Cell Based Assays.

Flow Cytometry. Microscopes and Cellular Imaging. View All Cell Analysis. Centrifugal Filter Devices. Centrifuge Accessories.The 90mm holder…. Related Products: Filter Funnel 90mm. These PTFE filters offer superior handling and minimal fiber slough-off compared to glass and quartz filters. Naturally hydrophobic, the media will separate aqueous from non-aqueous phases of mixtures. Related Products: Teflon Filter. The 47mm holder is the standard size for microbiology and uses a 47mm filter membrane.

Related Products: Vacuum Filtration Kit. These borosilicate glass Sintered Funnels have a porous filtering plate. They come in three sizes and two levels of porosity. Related Products: Sintered Glass Funnel. It is also recommended for HPLC solvent filtration. Complete set includes a borosilicate glass funnel, anodized aluminum spring clamp, vacuum base with sintered disc, and ground joint flask.

Membrane filters are not included. Filter diameter…. Related Products: Vacuum Filter Flask. Related Products: 47 Mm Filter Holder.

Suitable for aqueous and organic solvent filtration. The funnel seal ensures that the sample does not bypass the membrane and that particulates are retained on the surface of the membrane. The sintered …. Related Products: Vacuum Filter Holder. The No. Related Products: Filter Funnel 47mm. The holder utilizes a 25mm filter ….

Related Products: 25mm Filter Holder. Two-piece adapter features a 7 Ace-Thred at top with a Nylon bushing and O-Ring that forms a compression seal with funnel stem, bottom joint,…. Conforms to ASTM D Apparatus is used in the determination of oil content and solvent extractables in petroleum waxes.

Impinger nozzle calibrated to deliver 0. Bubbler nozzle has sintered glass filter, porosity A microns or porosity B microns. Bottle has encircling graduations from 0 to 25mL or 0 to 30mL in 5mL divisons.

Related Products: Impinger. Diameter of sintered glass filter disc is 18mm. Measures 40mm from disc to bottom of joint. All porosities of a given size are priced the same. Volume approximately 10 mL. Hose connection is size A. Identical to with the exception that the nozzle is replaced by a sintered glass filter, porosity A microns.

Used in determination of Acrolein: 4-Hexylresorcinol Method 1.Don't have a profile? Designed for use in vacuum filtration procedures with classic Glass Filter Holders.

Designed to replace parts contained in glass vacuum filtration kits or provide for an alternative configuration. Useful where filter paper would be attacked by material being filtered.

Cylindrical style addition funnel with pressure equalizing arm and PTFE stopcock. Cylindrical style addition funnel with pressure equalizing arm. Stopper No.

Vacuum Filter Flask

Ideal when necessary to wash precipitates and redissolve with chemicals that would attack filter paper. Cylindrical style addition funnel with pressure equalizing arm and glass stopcock.

Used for routine filtration of corrosive liquids and removal of particles from HPLC solvents. Mate to filtering flask via conical rubber seal GUKO. Thermal shock and chemical resistant. Directs filtrate through a reduced area frit to concentrate crystal residue for rewashing. Precast Electrophoresis Gels. View All Antibodies. Antibodies Advanced Search. Biochemicals and Reagents. Biological Buffers. Custom Services and Products. Enzymes and Inhibitors. View All Protein Biology.

View All Life Sciences. Calibration Weights. Laboratory Balances. Weighing Papers and Dishes. Cell Culture Media. Cryogenic Storage. Fetal Calf and Other Sera. Serological Pipettes. View All Cell Culture. Bioprocess Systems And Accessories.

Cell Based Assays. Flow Cytometry. Microscopes and Cellular Imaging. View All Cell Analysis. Centrifugal Filter Devices. Centrifuge Accessories. Centrifuge Adapters.Our flasks have a wide bottle opening for easy access and pouring of your…. Related Products: Vacuum Filter. WT Witt's Flask, ml with tubing nozzle, vacuum filtration apparatus accessories, for filtrate collection in an inserted container. The bottle is made…. Related Products: Filtration Apparatus.

Crystallization - #aumsum

Related Products: Vacuum Flask. Membrane filters are not included. Filter diameter is 47mm. Filtration area is 9.

Capacity: Funnel: ml, Flask: 1L. Related Products: Filter Funnel 47mm. The stopper hole is specially cut to hold the Buchner funnel. The Vacuum Pump is simplifies the process of vacuum filtration,…. The rechargeable lithium ion battery allows for use where an inline vacuum source is not available, outside of the laboratory setting where a vacuum is required, or when the….

Related Products: Portable Vacuum Pump. The FDA-grade Polypropylene housing provides vastly improved chemical compatibility over the usual Polystyrene bottle top filter. The labForce Solvent Filtration vacuum filters are a safe….

The thick walls and design enables this flask to withstand vacuum filtration without imploding. Graduated in mL increments on a scale from mL to mL with an accuracy….

Related Products: Side Arm Flask. The applied vacuum facilitates the filtration process. These flasks have permanent blue enamel marking spots. Related Products: Filtration Flask.

Biohome Standard Media

It is also recommended for HPLC solvent filtration. Complete set includes a borosilicate glass funnel, anodized aluminum spring clamp, vacuum base with sintered disc, and ground joint flask. Filter diameter…. Related Products: Filter Funnel 90mm.


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