Glazed throughout with the exception of outside bottom surface Outside diameter is measured at the top of the crucible

Choose from high form, conical and cylindrical 99.8% Al₂O₃ Withstands temperatures up to 1,750°C Uses covers Useful for determinations involving molybdenum, platinum, rhodium, tungsten, tantalum and iridium.

Fused, fritted glass disc Polished ends Pore size: coarse, 40-60 µm, medium, 10-15 µm, fine 4-5.5 µm 30 mL disc diameter: 30 mm; fits tube i.d. 36 mm, 50 mL disc diameter: 40 mm; fits tube i.d. 42 mm.

A high quality porcelain crucible. The porcelain is uniform in thickness and dense which allows stable mechanical strength and little permeability. When properly used, the glazed pieces can withstand temperatures of 1050 degrees centigrade. The crucibles are glazed on the inside and outside surface.

With perforated bottom Used for suspended solids determinations

Standard shape crucible made from 99.95% pure Platinum and Platinum alloys are manufactured to endure harsh use with their thicker base and lighter wall construction.

Glazed all over except for rim

United high alumina crucibles are made of 99.7% pure aluminum oxide. Highly resistant to chemical attack. Recommended for chemists, metallurgists and others involved in high temperature work demanding contamination free results.

Glazed throughout with the exception of outside bottom surface

For 25 mL porcelain Gooch crucibles A combination rubber stopper and crucible holder with glass funnel insert Dimensions 57 mm length, tapered from 38 mm diameter at top to 22 mm diameter at bottom; length of tapered portion 35 mm Fits 4948F21 and 4948H23 series Filter Flasks, 125 to…

CoorsTek Porous Ware easily incorporates into many chemical processing, pharmaceutical, mechanical, and electronic applications. Its reliability results from years of experience, advancement, and refinement of manufacturing techniques. In chemical filtration, CoorsTek Porous Ware can separate…

Clear quartz glass crucibles are useful for analytical applications that require ashing of samples. Can withstand a continous operating temperature of 1050°C. Lids for Clear quartz glass crucibles can withstand a continous operating temperature of 1050°C.

Glazed throughout with the exception of outside bottom surface Outside diameter is measured at the top of the crucible

Highly resistant to most reagents Soluble in hydrofluoric acid Withstands temperatures up to 900°C Low form crucible is 0.89 mm thick zirconium. Will begin to oxidize with prolonged exposure to air at temperatures above 550°C. Not recommended for use with fluoboric or…

Zirconium’s distinctive properties make it a popular choice for fusions and fluxes in analytical chemistry and chemical processing. Unlike crucibles made from many other materials, zirconium crucibles are highly resistant to corrosion; do not require handling with platinum tipped tongs; can…

This CoorsTek AD-998 High-Alumina labware high form crucible is made of 99.8%-pure aluminum oxide. It is highly resistant to alkalies and other fluxes This alumina-ceramic ware is especially useful to chemists, metallurgists, and others involved in high-temperature work demanding…

Nickel crucibles constructed from pure heavy sheet nickel. They are suitable for fusions, including those with sodium peroxide, and are highly resistant to dilute alkalies. Flat-style nickel crucible covers with depression in center for centering on crucibles. Extension on one side for handle.

Tall form crucibles include lids. Crucibles are glazed on inner and outer surfaces except for the outside bottom and rim. Important properties of United porcelainware include: Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually…

Nickel forms an adherent oxide film that provides its corrosion resistance up to temperatures around 600°C. It's highly resistant to alkalis and most acids, however, it is attacked by oxidizing acids like nitric and by salt solutions containing oxidizing species.

Our crucibles are manufactured using 99.99% pure virgin nickel. These items are suitable for fusions, including those using sodium peroxide and highly resistant to dilute alkalies. The crucibles have an optional nickel cover. The covers are flat, pressed from one piece, and have an extension on…

Gooch crucibles have a perforated bottom and include lids. Crucibles are glazed on inner and outer surfaces except for the outside bottom and rim. Used for determination of total suspended solids. Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56…

The unglazed porcelain rose style crucible eliminates the possibility of a reaction between the sample contents and a (glazed) coating. Material: Porcelain ceramic Thermally shock-resistant Maximum temperature for use: 1400°C

Designed for collecting, drying and weighing precipitates and samples to be analyzed using gravimetric analysis. Fritted disc is sealed into the crucible KIMAX® crucible suitable for precipitates to be dried to a constant weight at 110 °C Manufactured from 33 expansion, low…

Unibody construction from Type 304 stainless steel Can withstand temperatures from -180°C to 800°C Covers included

Withstand temperatures up to 2700° F Without covers

United high alumina crucibles are made of 99.7% pure aluminum oxide. Highly resistant to chemical attack. Recommended for chemists, metallurgists and others involved in high temperature work demanding contamination free results.

Nickel forms an adherent oxide film that provides its corrosion resistance up to temperatures around 600°C. It's highly resistant to alkalis and most acids, however, it is attacked by oxidizing acids like nitric and by salt solutions containing oxidizing species.

Bitumen, with perforated bottom, glazed inside and out except for outside bottom surface and rim. Used for similar applications as Gooch crucibles.

The perfect tool for suspending a crucible. The uniform clay tubes supports the crucible and the galvanized iron wire resists rusting.

United high alumina crucibles are made of 99.7% pure aluminum oxide. Highly resistant to chemical attack. Recommended for chemists, metallurgists and others involved in high temperature work demanding contamination free results.

Herman Inquarts are little pellets of lead bullion, each containing a definite amount of silver. Just add one to the crucible before fusing or tap it into the cleaned lead button before cupellation and you can be sure of complete and accurate parting. No preliminary weighing of the added silver. No…