Knowledge Why do we use sintered glass crucible? Precision Filtration for Accurate Lab Results
Author avatar

Tech Team · Kintek Solution

Updated 1 day ago

Why do we use sintered glass crucible? Precision Filtration for Accurate Lab Results

Sintered glass crucibles are specialized laboratory tools designed for precise filtration processes. They feature a flat disk of sintered glass with microscopic pores that allow liquids to pass through while retaining solid particles. This design makes them ideal for applications requiring high precision, such as gravimetric analysis, where the accurate measurement of filtered solids is crucial. Their chemical resistance, durability, and ease of cleaning further enhance their utility in laboratories. Below, we explore the key reasons for using sintered glass crucibles in detail.

Key Points Explained:

Why do we use sintered glass crucible? Precision Filtration for Accurate Lab Results
  1. Precision Filtration:

    • Sintered glass crucibles are designed to filter solid particles from liquids with high accuracy. The microscopic pores in the glass disk ensure that even fine particles are retained, making them suitable for applications requiring precise separation.
    • This precision is particularly important in gravimetric analysis, where the mass of the filtered solid must be measured accurately.
  2. Chemical Resistance:

    • The sintered glass material is highly resistant to most chemicals, including acids and bases, making it suitable for use with a wide range of solutions.
    • This resistance ensures that the crucible remains intact and functional even when exposed to corrosive substances, which is critical in many laboratory processes.
  3. Durability and Reusability:

    • Sintered glass crucibles are robust and can withstand repeated use, provided they are cleaned and maintained properly.
    • Their durability makes them a cost-effective choice for laboratories, as they can be reused multiple times without significant degradation in performance.
  4. Ease of Cleaning:

    • These crucibles are relatively easy to clean, as the sintered glass disk can be rinsed and dried without damaging its structure.
    • Proper cleaning ensures that there is no cross-contamination between different samples, which is essential for maintaining the integrity of experimental results.
  5. Applications in Gravimetric Analysis:

    • Sintered glass crucibles are commonly used in gravimetric analysis, a technique that involves measuring the mass of a substance to determine its concentration in a sample.
    • The ability to retain fine particles and provide accurate filtration makes them indispensable in this type of analysis.
  6. Thermal Stability:

    • Sintered glass crucibles can withstand moderate temperatures, making them suitable for applications that involve heating or drying the filtered solids.
    • This thermal stability ensures that the crucible remains functional even under varying temperature conditions.
  7. Compatibility with Vacuum Filtration:

    • These crucibles are often used in conjunction with vacuum filtration setups, which enhance the filtration process by applying suction to draw the liquid through the pores more quickly.
    • This compatibility makes them versatile tools for a variety of laboratory applications.

In summary, sintered glass crucibles are essential tools in laboratories due to their precision filtration capabilities, chemical resistance, durability, and ease of cleaning. These properties make them particularly valuable in gravimetric analysis and other applications where accurate separation of solids and liquids is required.

Summary Table:

Feature Description
Precision Filtration Filters fine particles with microscopic pores, ideal for gravimetric analysis.
Chemical Resistance Resistant to acids, bases, and corrosive substances for versatile use.
Durability Robust and reusable, offering long-term cost-effectiveness.
Ease of Cleaning Easy to rinse and dry, preventing cross-contamination.
Thermal Stability Withstands moderate temperatures for heating or drying applications.
Vacuum Compatibility Works seamlessly with vacuum filtration setups for faster processing.

Enhance your lab's filtration process with sintered glass crucibles—contact us today to learn more!

Related Products

E Beam Crucibles Electron Gun Beam Crucible for Evaporation

E Beam Crucibles Electron Gun Beam Crucible for Evaporation

In the context of electron gun beam evaporation, a crucible is a container or source holder used to contain and evaporate the material to be deposited onto a substrate.

Alumina Al2O3 Ceramic Crucible Semicircle Boat with Lid for Engineering Advanced Fine Ceramics

Alumina Al2O3 Ceramic Crucible Semicircle Boat with Lid for Engineering Advanced Fine Ceramics

Crucibles are containers widely used for melting and processing various materials, and semicircular boat-shaped crucibles are suitable for special smelting and processing requirements. Their types and uses vary by material and shape.

Engineering Advanced Fine Alumina Al2O3 Ceramic Crucible for Laboratory Muffle Furnace

Engineering Advanced Fine Alumina Al2O3 Ceramic Crucible for Laboratory Muffle Furnace

Alumina ceramic crucibles are used in some materials and metal melting tools, and flat-bottomed crucibles are suitable for melting and processing larger batches of materials with better stability and uniformity.

High Purity Pure Graphite Crucible for Evaporation

High Purity Pure Graphite Crucible for Evaporation

Vessels for high temperature applications, where materials are kept at extremely high temperatures to evaporate, allowing thin films to be deposited on substrates.

Custom Machined and Molded PTFE Teflon Parts Manufacturer with PTFE Crucible and Lid

Custom Machined and Molded PTFE Teflon Parts Manufacturer with PTFE Crucible and Lid

PTFE crucibles, made from pure Teflon, offer chemical inertness and resistance from -196°C to 280°C, ensuring compatibility with a wide range of temperatures and chemicals. These crucibles feature machine-finished surfaces for easy cleaning and prevention of contamination, making them ideal for precise laboratory applications.

Engineering Advanced Fine Ceramics Alumina Al2O3 Crucible With Lid Cylindrical Laboratory Crucible

Engineering Advanced Fine Ceramics Alumina Al2O3 Crucible With Lid Cylindrical Laboratory Crucible

Cylindrical Crucibles Cylindrical crucibles are one of the most common crucible shapes, suitable for melting and processing a wide variety of materials, and are easy to handle and clean.

Custom PTFE Teflon Parts Manufacturer for Microwave Digestion Tank

Custom PTFE Teflon Parts Manufacturer for Microwave Digestion Tank

PTFE digestion tanks are renowned for their exceptional chemical resistance, high-temperature stability, and non-stick properties. These tanks are ideal for harsh laboratory environments, Their low coefficient of friction and inert nature prevent chemical interactions, ensuring purity in experimental results.

Vacuum Heat Treat and Pressure Sintering Furnace for High Temperature Applications

Vacuum Heat Treat and Pressure Sintering Furnace for High Temperature Applications

Vacuum pressure sintering furnaces are designed for high temperature hot pressing applications in metal and ceramic sintering. Its advanced features ensure precise temperature control, reliable pressure maintenance, and a robust design for seamless operation.

Evaporation Crucible for Organic Matter

Evaporation Crucible for Organic Matter

An evaporation crucible for organic matter, referred to as an evaporation crucible, is a container for evaporating organic solvents in a laboratory environment.

Custom PTFE Teflon Parts Manufacturer PTFE Beaker and Lids

Custom PTFE Teflon Parts Manufacturer PTFE Beaker and Lids

The PTFE beaker is a laboratory container that is resistant to acid, alkali, high and low temperatures and is suitable for temperatures ranging from -200ºC to +250ºC. This beaker has excellent chemical stability and is widely used for heat treatment samples and volume analysis.

Custom PTFE Teflon Parts Manufacturer for PTFE Measuring Cylinder 10/50/100ml

Custom PTFE Teflon Parts Manufacturer for PTFE Measuring Cylinder 10/50/100ml

PTFE measuring cylinder are a rugged alternative to traditional glass cylinders. They are chemically inert over a wide temperature range (up to 260º C), have excellent corrosion resistance and maintain a low coefficient of friction, ensuring ease of use and cleaning.

Boron Nitride (BN) Crucible for Phosphorous Powder Sintered

Boron Nitride (BN) Crucible for Phosphorous Powder Sintered

Phosphorus powder sintered boron nitride (BN) crucible has a smooth surface, dense, pollution-free and long service life.

Custom PTFE Teflon Parts Manufacturer Corrosion-Resistant Cleaning Rack Flower Basket

Custom PTFE Teflon Parts Manufacturer Corrosion-Resistant Cleaning Rack Flower Basket

The PTFE cleaning rack, also known as the PTFE flower basket cleaning flower basket, is a specialized laboratory tool designed for the efficient cleaning of PTFE materials. This cleaning rack ensures thorough and safe cleaning of PTFE items, maintaining their integrity and performance in laboratory settings.

Electron Beam Evaporation Coating Conductive Boron Nitride Crucible BN Crucible

Electron Beam Evaporation Coating Conductive Boron Nitride Crucible BN Crucible

High-purity and smooth conductive boron nitride crucible for electron beam evaporation coating, with high temperature and thermal cycling performance.

Electron Beam Evaporation Coating Tungsten Crucible and Molybdenum Crucible for High Temperature Applications

Electron Beam Evaporation Coating Tungsten Crucible and Molybdenum Crucible for High Temperature Applications

Tungsten and molybdenum crucibles are commonly used in electron beam evaporation processes due to their excellent thermal and mechanical properties.

Custom PTFE Teflon Parts Manufacturer F4 Conical Flask Triangular Flask 50 100 250ml

Custom PTFE Teflon Parts Manufacturer F4 Conical Flask Triangular Flask 50 100 250ml

The PTFE triangular flask, also known as a Teflon reagent bottle, is a robust, chemical-resistant alternative to traditional glass bottles, suitable for handling both acids and alkalis. These bottles are unbreakable, lightweight, and feature a leak-proof screw cap, making them ideal for laboratory use.

Custom PTFE Teflon Parts Manufacturer for Three-Necked Round Bottom Flask

Custom PTFE Teflon Parts Manufacturer for Three-Necked Round Bottom Flask

PTFE flask, is a versatile laboratory container made from PTFE, offering exceptional chemical resistance, temperature stability, and non-stick properties. Ideal for handling corrosive substances and high-temperature applications, these flasks are essential in various laboratory procedures, including heating, mixing, and storage of chemicals.

Small Vacuum Heat Treat and Tungsten Wire Sintering Furnace

Small Vacuum Heat Treat and Tungsten Wire Sintering Furnace

The small vacuum tungsten wire sintering furnace is a compact experimental vacuum furnace specially designed for universities and scientific research institutes. The furnace features a CNC welded shell and vacuum piping to ensure leak-free operation. Quick-connect electrical connections facilitate relocation and debugging, and the standard electrical control cabinet is safe and convenient to operate.

Custom PTFE Teflon Parts Manufacturer for Hollow Cleaning Basket and Rack Carrier

Custom PTFE Teflon Parts Manufacturer for Hollow Cleaning Basket and Rack Carrier

The PTFE hollow cleaning flower basket is a specialized laboratory tool designed for efficient and safe cleaning processes. Made from high-quality polytetrafluoroethylene (PTFE), this basket offers exceptional resistance to acids, alkalis, and organic solvents, ensuring durability and reliability in various chemical environments.

Custom PTFE Teflon Parts Manufacturer Grinding Bowl

Custom PTFE Teflon Parts Manufacturer Grinding Bowl

PTFE is renowned for its exceptional chemical resistance, thermal stability, and low friction properties, making it a versatile material in various industries. The PTFE grinding bowl, specifically, finds applications where these properties are crucial.

Custom PTFE Teflon Parts Manufacturer for Magnetic Stirring Bar

Custom PTFE Teflon Parts Manufacturer for Magnetic Stirring Bar

The PTFE magnetic stirring bar, made from high-quality PTFE, offers exceptional resistance to acids, alkalis, and organic solvents, coupled with high-temperature stability and low friction. Ideal for laboratory use, these stirring bars are compatible with standard flask ports, ensuring stability and safety during operations.

Custom PTFE Teflon Parts Manufacturer for Centrifuge Tubes

Custom PTFE Teflon Parts Manufacturer for Centrifuge Tubes

PTFE centrifugal tubes are highly valued for their exceptional chemical resistance, thermal stability, and non-stick properties, making them indispensable in various high-demand sectors. These tubes are particularly useful in environments where exposure to corrosive substances, high temperatures, or stringent cleanliness requirements are prevalent.

Custom Machined and Molded PTFE Teflon Parts Manufacturer for Laboratory ITO FTO Conductive Glass Cleaning Flower Basket

Custom Machined and Molded PTFE Teflon Parts Manufacturer for Laboratory ITO FTO Conductive Glass Cleaning Flower Basket

PTFE cleaning racks are mainly made of tetrafluoroethylene. PTFE, known as the "King of Plastics", is a polymer compound made of tetrafluoroethylene.

Custom PTFE Teflon Parts Manufacturer for F4 PTFE Volumetric Bottle

Custom PTFE Teflon Parts Manufacturer for F4 PTFE Volumetric Bottle

The PTFE Volumetric Flask, a robust alternative to glass and PP flasks, excels in measuring both acidic and alkaline liquids. Characterized by its chemical inertness, translucency, and wide volume options, this flask ensures a non-leachable, ultra-clean background. Its non-stick surface simplifies cleaning and maintenance, making it ideal for harsh laboratory conditions.

Custom PTFE Teflon Parts Manufacturer for Cleaning Racks

Custom PTFE Teflon Parts Manufacturer for Cleaning Racks

PTFE cleaning racks are mainly made of tetrafluoroethylene. PTFE, known as the "King of Plastics", is a polymer compound made of tetrafluoroethylene.

Custom PTFE Teflon Parts Manufacturer for Hydrothermal Synthesis Reactor Polytetrafluoroethylene Carbon Paper and Carbon Cloth Nano-growth

Custom PTFE Teflon Parts Manufacturer for Hydrothermal Synthesis Reactor Polytetrafluoroethylene Carbon Paper and Carbon Cloth Nano-growth

Acid and alkali resistant polytetrafluoroethylene experimental fixtures meet different requirements. The material is made of brand new polytetrafluoroethylene material, which has excellent chemical stability, corrosion resistance, airtightness, high lubricity and non-stickiness, electrical corrosion and good anti-aging ability, and can work for a long time at temperatures from -180℃ to +250℃.

Custom PTFE Teflon Parts Manufacturer for Culture Dish and Evaporation Dish

Custom PTFE Teflon Parts Manufacturer for Culture Dish and Evaporation Dish

The PTFE culture dish evaporating dish is a versatile laboratory tool known for its chemical resistance and high-temperature stability. PTFE, a fluoropolymer, offers exceptional non-stick properties and durability, making it ideal for various applications in research and industry, including filtration, pyrolysis, and membrane technology.

Custom PTFE Teflon Parts Manufacturer for Sampling Solution Sample and Dry Powder Spoons

Custom PTFE Teflon Parts Manufacturer for Sampling Solution Sample and Dry Powder Spoons

The PTFE sampling spoon, also known as a solution spoon or sample spoon, is a crucial tool for accurately introducing dry powder samples in various analytical processes. Made from PTFE, these spoons offer excellent chemical stability, corrosion resistance, and non-stick properties, making them ideal for handling delicate and reactive substances in laboratory settings.


Leave Your Message