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

High form, glazed inside and out, except for outsie bottom surface and rim.

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

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.

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…

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…

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…

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

Crucible for use in temperatures up to 1000°C. Perfect for use in muffle furnace ashing procedures. Quartz material ensures sample purity for further analysis.

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.

Our porcelain Crucible Cover is manufactured with the highest standards. The ring handle is glazed inside and out except for rim.

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

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.

With perforated bottom Used for suspended solids determinations

CoorsTek Chemical Porcelain For Crucibles, Glazed all over except for rim. Made of 99.8%-pure Aluminum Oxide. Recommended for use with CoorsTek® Alumina Crucibles AD-998 ware is highly refractory, meant for use in reducing and oxidizing atmospheres.

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…

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.

Legal Information: Coors is a trademark of Coorstek, Inc.

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…

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

Unibody construction from sheet nickel, polished inside and out. Can withstand temperatures up to 600°C. Covers included.

High resistance to dilute alkalis at low cost. Used for sodium peroxide fusions in the analysis of zirconium. Also used in analyses for niobium, tantalum, or low levels of phosphorus. Order covers separately.

Our porcelain Crucible is manufactured with the highest standards. The crucible is glazed inside and out except for outside bottom surface and rim.

Legal Information: Coors is a trademark of Coorstek, Inc.

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…

Harmonized Tariff Code:  6903.90

Platinum labware has excellent resistance to acids such as acetic, hydrochloric, hydrofluoric, hydroiodic, nitric, selenic, and sulfuric, and to oxidation at high temperatures. Crucible lids of platinum can be cleaned by boiling in a suitable solvent.For the removal of substances which have alloyed…