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

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.

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.

Glazed throughout with the exception of outside bottom surface

With perforated bottom Used for suspended solids determinations

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…

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…

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.

These 15mL PYREX® low form crucibles have 20mm diameter medium porosity (10 to 15µm) fritted discs. They are particularly adapted to analytical work where precipitates are dried to constant weight at 110°C. They are also suitable for higher temperatures, in which case it is advisable…

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 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.

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

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…

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…

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…

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…

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

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…

Zirconium is our most effective crucible material for fusions using sodium carbonate or sodium peroxide. It is an excellent low-cost replacement for platinum.

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

Made from uniform ASTM Standard Nickel-Chromium Alloy Withstands temperatures up to 1000°C (1832°F) For volatile matter tests Also for ignition, ashing, and incineration purposes where free acids are not present Determines volatile matter in coke High-Form Cover sold…

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.

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.

With fused-in fritted glass disc, these high form Gooch crucibles, made of borosilicate glass, are for analytical work involving precipitation, drying, and weighing. They are particularly suitable when precipitates will not be dried at temperatures above 110°C and may be used at higher…

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…

Gooch, with perforated bottom and two wall holes for suspending in extraction apparatus. Glazed inside and out except for outside bottom surface and rim. Used for total suspended solids determination.

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.

These 15mL PYREX® low form crucibles have 20mm diameter coarse porosity (40 to 60µm) fritted discs. They are particularly adapted to analytical work where precipitates are dried to constant weight at 110°C. They are also suitable for higher temperatures, in which case it is advisable…

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