Cupels & Crucibles

Sigma Chemicals supplies an international range of fire assay crucibles and cupels for the determination of gold and silver in all types of ore.

Please feel free to contact Sigma Chemicals for all your cupels and crucible requirements, for easy reference we have included tables below of diagram and sizing for cupels and crucibles.

 

Cupel

 

  Cupel A Cupel B Cupel C Cupel D Cupel E Cupel F Lead Absorption
SIZE Mm Mm Mm Mm Mm Mm Grams
6 a 26 40 30 7 31 12 40
7 a 30 40 30 14 31 12 50
7 as 34 40 30 14 31 12 60
8 30 44 36 13 36 13 65

 

Crucible

 

30 gram crucible 40 gram crucible 50 gram crucible 55 gram crucible 65 gram crucible
Outside diameter 86 mm Outside diameter 88 mm Outside diameter 103 mm Outside diameter 87 mm Outside diameter 106 mm
Inside diameter 74 mm Inside diameter 78 mm Inside diameter 91 mm Inside diameter 75 mm Inside diameter 92 mm
Height 107 mm Height 135 mm Height 143 mm Height 158 mm Height 164 mm
Volume 240 mL Volume 340 mL Volume 435 mL Volume 390 mL Volume 550 mL
Qty per Crate Qty per Carton Qty per Crate Qty per Carton Qty per Crate Qty per Carton Qty per Crate Qty per Carton Qty per Crate Qty per Carton
2040 64 1680 48 1440 36 1380 32 1200 27
All Pricing Available on Enquiry
Crucible Curing Factory
Crucible Curing Factory
Cupel Fork
Cupel Fork
Cupelation
Cupelation