50ml Porcelain Crucibles (5/Pk)

50ml Porcelain Crucibles (5/Pk)

Porcelain Crucibles are used with Muffle Furnaces for loss-on-ignition (LOI) testing of cement, fly ash and soil materials. They are temperature rated to 1,832F (1,000C). High form design, glazed inside and out, except outside bottom and rim. Porcelain crucibles with a perforated bottom are also available, providing enhanced filtering capability and improved drainage for specific chemical processes. We also have graphite crucibles with detailed specs including dimensions in inches and mm, and various models by physical attributes to choose from.

Sold in packs of 5.

Features:

• 1,832F (1,000C) temperature rated

• High-form

• Low-form, great for high-temperature fusion processes, comes with lids for venting, various sizes and lid options

• Inside and outside glazed

• Lid

What are Laboratory Crucibles?

Laboratory crucibles are essential tools across scientific disciplines such as chemistry, metallurgy and materials science. A crucible is a specialized vessel designed to withstand very high temperatures, perfect for melting, heating or subjecting metals and other materials to intense heat. Whether you’re melting gold, silver or copper or conducting high-temperature reactions, crucibles are engineered to handle the extreme conditions required for these processes.

Historically crucibles were made of clay but modern advancements have introduced materials like graphite and porcelain which offer superior heat and chemical resistance. Leading manufacturers such as Thermo Scientific Chemicals, United Scientific Supplies and DWK Life Sciences offer a wide range of crucibles for laboratory and industrial applications. These crucibles are designed to be durable and reliable for safe and efficient melting and processing of metals and other materials at high temperatures.

Types of Crucibles

There are many types of crucibles available, each suited to specific laboratory needs and processes. Porcelain crucibles are a staple in many labs due to their chemical resistance and high temperature rating. High form porcelain crucibles are perfect for deep vessels, while low form crucibles are ideal for small scale experiments or processes that require a wider opening.Graphite crucibles are another popular choice when you want to melt metals like gold, silver or copper. Their excellent thermal conductivity and high temperature rating make them a go-to for metal casting and refining. High form crucibles are used for high temperature fusion and peroxide fusions while low form shapes are used for certain analytical techniques.

Manufacturers like Ace Glass, Velp Scientific and Kemtech America offer a wide range of crucibles so you can find the right vessel for your application—whether it’s melting precious metals, high temperature reactions or handling special materials.

Crucible Sizes and Capacities

Crucibles are available in a wide range of sizes and capacities to fit your laboratory and industrial needs. From small, low form shapes for small scale melting and analysis to larger high form vessels for bulk processing, there’s a crucible for every need. Capacities range from as little as 10ml to 1000ml or more so you can work with small or large samples and experiment scales.

For example a small graphite crucible is perfect for melting small quantities while a larger porcelain crucible is ideal for high temperature fusion or sample preparation. Companies like Electron Microscopy Sciences and Technical Glass Products offer a wide range of crucibles in various sizes and forms so you can choose the right type and size for your application. Choosing the right crucible not only ensures safety but also optimal performance and efficiency in your laboratory processes.

Applications

Crucibles are used in various laboratory settings, chemistry, materials science and biology. In many cases crucibles are used to melt different material like gold, silver, copper and other alloys, proving their versatility in different laboratory scenarios. They are used for melting and casting melting gold and other precious , heating and mixing chemicals and analyzing samples. Our crucibles are designed to meet the specific needs of different laboratory applications, high temp processing, chemical reactions and sample analysis.

Comparison to Other Options

When choosing the right crucible for your laboratory or industrial needs, there are several options available, each with its own set of advantages. Here’s a comparison of different types:

• Graphite: For high temp applications, graphite are perfect for melting and alloys. They are very durable and can withstand up to 2000°C. However they can be prone to oxidation and may require special handling to maintain their integrity.

• Porcelain: A popular choice in laboratory settings, porcelain are known for their chemical resistance and durability. Available in high-form and low-form shapes, they can withstand up to 1400°C. While they excel in many high temp applications, they may not be suitable for the highest temp processes.

• Metal: Used for melting and casting, metal are durable and can withstand high temp. However they may react with certain chemicals which can limit their use in some laboratory applications.

• Ceramic: Ceramic is another good option for high temp applications, often used in laboratory settings. They are durable and can withstand up to 1800°C, suitable for many high temp processes.

By knowing the unique features and benefits of each type of crucible, you can make an informed decision for your specific laboratory or industrial needs.

Storage and Maintenance

Proper storage and maintenance is crucial to ensure their longevity and performance. Here are some tips to get the most:

• Storage: Store in a dry, cool place away from direct sunlight. Don’t stack on top of each other as this can cause damage and compromise their structure.

• Cleaning: Clean after each use to prevent contamination. Use a soft brush and mild detergent to remove any residue. This will maintain the crucible’s performance and extend its life.

• Drying: Dry thoroughly after cleaning to prevent water spots and damage. Drying is critical to maintaining the crucible’s durability and effectiveness.

• Handling: Handle with care to avoid chipping or cracking. Use tongs or gloves when handling hot to ensure safety and prevent accidents.

• Inspection: Inspect regularly for signs of wear and tear, cracks or chips. Replace crucibles as needed to ensure safe and accurate results in your laboratory or industrial processes.