Crucibles
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High Form Nickel Crucibles
Thomas®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.
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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.
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Alumina Crucibles
CoorsTekChoose 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.
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NICKEL CRUCIBLES
United Scientific SuppliesUnibody construction from sheet nickel, polished inside and out. Can withstand temperatures up to 600°C. Covers included.
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Ceramic Crucible Cover
CoorsTekThe CoorsTek cover is compatible for use with various kinds of crucibles. It is glazed all over but except for the rim. It is suitable for use in research laboratories.
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Quartz with Lid Crucibles
ChemglassCrucible for use in temperatures up to 1000°C. Perfect for use in muffle furnace ashing procedures. Quartz material ensures sample purity for further analysis.
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Straight Wall Nickel Crucibles
Metal TechnologyNickel 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.
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Cylindrical High Alumina Crucibles
United Scientific SuppliesUnited 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.
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Porcelain Squat Form Crucibles
CoorsTekGlazed throughout with the exception of outside bottom surface
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Crucible for basic laboratory use to heat chemical compounds Constructed of glazed porcelain for strength, thermal performance, and enhanced chemical resistance Can withstand temperatures up to 1900°F (1050°C) Tall form body with lid A standard lab crucible to be used in high temperature experiments.
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Porcelain Crucibles, Gooch with Lid
United Scientific SuppliesGooch 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…
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Low Form Zirconium Crucibles
Thomas®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…
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Low Form Nickel Crucibles
Metal TechnologyNickel 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.
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Wide Form Crucible
CoorsTekThe CoorsTek crucible is made of porcelain that withstands extreme temperatures, corrosive environments and thermal shock, ensuring durability and reliable performance. The interior and exterior of the wide-form crucible are glazed. Wide form, glazed inside and out except for outside bottom…
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Zirconium oxide, Yttria stabilized, crucible, round bottom, high form;Ht(mm),29…
Thermo Scientific ChemicalsHarmonized Tariff Code: 6903.90
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Porcelain Crucible Covers
CoorsTekCoorsTek 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.
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Porous-Bottom Crucibles
United Scientific SuppliesPorous-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.
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High Form Crucibl Coors Proc
CoorsTekThis 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…
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Crucible for basic laboratory use to heat chemical compounds Tall form body with lid Constructed of glazed porcelain for strength, thermal performance, and enhanced chemical resistance Smooth and easy to clean glazed surface Stands 2.5" tall, with a 2" diameter and a 2.5" lid diameter …
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Stainless Steel Crucibles
United Scientific SuppliesUnibody construction from Type 304 stainless steel Can withstand temperatures from -180°C to 800°C Covers included
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Porcelain Crucible w/o Cover
Vee Gee ScientificOur porcelain Crucible is manufactured with the highest standards. The crucible is glazed inside and out except for outside bottom surface and rim.
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Porcelain Crucibles with Lids
GSC International, Inc.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.
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Porcelain Crucibles, Tall Form with Lid
United Scientific SuppliesTall 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…
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Bitumen/Gooch & Rose Crucible
CoorsTekThe CoorsTek crucible features a perforated bottom with a glazed surface on the inside. The crubicle is designed to use for the process of total suspended solids determination.
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Tall Form High Alumina Crucibles
United Scientific SuppliesUnited 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.
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Crucible Gooch High Form Fritted 30mm
DWK Life Sciences (Kimble)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…
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Zirconium oxide crucible, Yttria stabilized, cylindrical, flat base; HtxOD (mm),…
Thermo Scientific ChemicalsHarmonized Tariff Code: 6903.90
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Crucible for basic laboratory use to heat chemical compounds Tall form body with lid Constructed of glazed porcelain for strength, thermal performance, and enhanced chemical resistance Can withstand temperatures up to 1900°F (1050°C) 2" diameter x 1.75" height. 10 pack of 50mL high quality…
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Platinum crucible lid fits 25 mL crucible
MilliporeSigmaPlatinum 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…
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Nickel crucible Straight wall
MilliporeSigmaHigh 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.
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Crucible Holder
PlasticoidFor 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…
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Nickel crucible High form
MilliporeSigmaHigh 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.