Annealing Cups for Laboratory, Assay & High Temperature Sample Preparation

Annealing Cups

Made of the finest selected fire clay, these cups are smooth and have an unglazed surface. Used for annealing gold buttons and for ignition of precipitates such as barium sulfate, copper sulfide, and silica.

• annealing cups for assay lab
• ceramic annealing cups
• high temperature sample cup
• metallurgy annealing cup
• lab heating cup ceramic
• assay sample prep cups

Used for:

• laboratory metal analysis
• combustion / elemental analysis
• assay testing
• sample heating prep
• thermal treatment workflows
• precious metal / mining labs
• industrial QA labs

***These are made at time of order and have a longer lead time***  

Colorado Assay Crucibles – Multi-Run

Made of a high quality, premium mix, these assay crucibles are made to be a multi-run crucible when used in a standard assay process. They are also suggested for use with harsh flux.

Specifications