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

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.

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

Glazed throughout with the exception of outside bottom surface

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…

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…

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…

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

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

Harmonized Tariff Code:  6903.90

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

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.

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.

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

Wide form crucibles include lids. Crucibles are glazed on inner and outer surfaces except for the outside bottom and rim. Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at 1050°C. Every batch of…

Inconel® alloy 601 has excellent resistance to oxidation in the 1000° to 1200°C temperature range and also has good corrosion resistance to many acid and aqueous salt solutions.

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.

Harmonized Tariff Code:  6903.90

With perforated bottom Used for suspended solids determinations

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…

With fritted disc. Disc diameter 30mm, height above disc is 45mm. All porosities of a given size are priced the same.

Crucible cleaning kits contain all the material you need to safely clean most types of laboratory crucibles, including zirconium, nickel, molybdenum, tantalum and platinum, as well as ceramics and glass. Kits also include a supply of liquid cleaner, a variety of abrasive materials, and complete instructions.

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.

Withstand temperatures up to 2700° F Without covers

Inconel® alloy 601 has excellent resistance to oxidation in the 1000° to 1200°C temperature range and also has good corrosion resistance to many acid and aqueous salt solutions.

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…

Porous-bottom crucibles have a molded-in porous disc with stable porosity and consistent flow rate. Available with very fine (1.2 µm), fine (5 µm), and medium (15 µm) pore diameters. Glazed inside and out, except for outside bottom and rim. Autoclavable.

Harmonized Tariff Code:  6903.90