High purity metal substrate discs
EM-Tec high purity metal SEM substrate discs are intended as substrate discs for X-ray analysis with EDS / WDS or for particle analysis with the SEM. Especially useful when the standard aluminium or copper alloy stubs generate overlapping background peaks. With the right metal substrate, trace elements in particles can be enhanced through X-ray fluorescence.
EM-Tec high purity metals discs are available in 12 and 25mm diameter and are compatible with the popular Ø12.5mm and Ø25mm diameter SEM stubs. They can be attached to SEM stubs with carbon tabs, carbon paint or silver paint.
EM-Tec high purity SEM metal substrate discs:
- Available materials are: Ag, Al, Co, Cu, Fe, In, Mg, Mo, Nb, Ni, Pb, Sn and Zn
- Purity 99.99% or better
- Sizes are Ø12 and Ø25 mm, compatible with popular SEM stubs
- Thickness range from 0.08 to 0.3mm
- Surface condition: smooth rolled foil

Ordering information:
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AG12 high purity substrate disc, diameter: 12 x 0.25mm -Ag
AG12 high purity substrate disc, diameter: 12 x 0.25mm – Ag
£65.86 Add to basketAG12 high purity substrate disc, diameter: 12 x 0.25mm -Ag
AG12 high purity substrate disc, diameter: 12 x 0.25mm – Ag
£65.86 -
EM-Tec AG25 high purity silver substrate disc – Ø25 x 0.25mm – 99.99% Ag
EM-Tec AG25 high purity Silver substrate disc, Ø25 x 0.25mm – 99.99%, Ag (each)
£65.84 Add to basketEM-Tec AG25 high purity silver substrate disc – Ø25 x 0.25mm – 99.99% Ag
EM-Tec AG25 high purity Silver substrate disc, Ø25 x 0.25mm – 99.99%, Ag (each)
£65.84 -
EM-Tec AL12 high purity aluminium substrate disc, Ø12 x 0.25mm – 99.99% Al
EM-Tec AL12 high purity aluminium substrate disc, Ø12 x 0.25mm – 99.99% Al (each)
£25.72 Add to basketEM-Tec AL12 high purity aluminium substrate disc, Ø12 x 0.25mm – 99.99% Al
EM-Tec AL12 high purity aluminium substrate disc, Ø12 x 0.25mm – 99.99% Al (each)
£25.72 -
EM-Tec AL25 high purity aluminium substrate disc, Ø25 x 0.25mm – 99.99% Al
EM-Tec AL25 high purity Aluminium substrate disc, Ø25 x 0.25mm- 99.99% Al (each)
£30.86 Add to basketEM-Tec AL25 high purity aluminium substrate disc, Ø25 x 0.25mm – 99.99% Al
EM-Tec AL25 high purity Aluminium substrate disc, Ø25 x 0.25mm- 99.99% Al (each)
£30.86 -
EM-Tec CO12 high purity cobalt substrate disc, Ø12 x 0.1mm – 99.99% Co
EM-Tec CO12 high purity cobalt substrate disc, Ø12 x 0.1mm – 99.99% Co (pkg/4)
£41.15 Add to basketEM-Tec CO12 high purity cobalt substrate disc, Ø12 x 0.1mm – 99.99% Co
EM-Tec CO12 high purity cobalt substrate disc, Ø12 x 0.1mm – 99.99% Co (pkg/4)
£41.15 -
EM-Tec CO25 high purity cobalt substrate disc – Ø25 x 0.1mm- 99.99% Co
EM-Tec CO25 high purity cobalt substrate disc, Ø25 x 0.1mm – 99.99% Co (each)
£41.15 Add to basketEM-Tec CO25 high purity cobalt substrate disc – Ø25 x 0.1mm- 99.99% Co
EM-Tec CO25 high purity cobalt substrate disc, Ø25 x 0.1mm – 99.99% Co (each)
£41.15 -
EM-Tec CU12 high purity copper substrate disc, Ø12 x 0.25mm – 99.99% Cu
EM-Tec CU12 high purity copper substrate disc, Ø12 x 0.25mm- 99.99% Cu (pkg/4)
£25.72 Add to basketEM-Tec CU12 high purity copper substrate disc, Ø12 x 0.25mm – 99.99% Cu
EM-Tec CU12 high purity copper substrate disc, Ø12 x 0.25mm- 99.99% Cu (pkg/4)
£25.72 -
EM-Tec CU25 high purity copper substrate disc, Ø25 x 0.25mm – 99.99% Cu
EM-Tec CU25 high purity copper substrate disc, Ø25 x 0.25mm – 99.99% Cu (each)
£30.86 Add to basketEM-Tec CU25 high purity copper substrate disc, Ø25 x 0.25mm – 99.99% Cu
EM-Tec CU25 high purity copper substrate disc, Ø25 x 0.25mm – 99.99% Cu (each)
£30.86 -
EM-Tec FE12 high purity iron substrate disc, Ø12 x 0.1mm – 99.99% Fe
EM-Tec FE12 high purity iron substrate disc, Ø12 x 0.1mm – 99.99% Fe (pkg/4)
£30.86 Add to basketEM-Tec FE12 high purity iron substrate disc, Ø12 x 0.1mm – 99.99% Fe
EM-Tec FE12 high purity iron substrate disc, Ø12 x 0.1mm – 99.99% Fe (pkg/4)
£30.86 -
EM-Tec FE25 high purity iron substrate disc, Ø25 x 0.1mm – 99.99% Fe
EM-Tec FE25 high purity iron substrate disc, Ø25 x 0.1mm- 99.99% Fe (each)
£30.86 Add to basketEM-Tec FE25 high purity iron substrate disc, Ø25 x 0.1mm – 99.99% Fe
EM-Tec FE25 high purity iron substrate disc, Ø25 x 0.1mm- 99.99% Fe (each)
£30.86 -
EM-Tec IN12 high purity indium substrate disc
EM-Tec IN12 high purity indium substrate disc, diameter 12 x 0.2mm – 99.99% In (pkg/4)
£39.89 Add to basketEM-Tec IN12 high purity indium substrate disc
EM-Tec IN12 high purity indium substrate disc, diameter 12 x 0.2mm – 99.99% In (pkg/4)
£39.89 -
EM-Tec IN25 high purity indium substrate disc, Ø25 x 0.2mm – 99.99% In
EM-Tec IN25 high purity indium substrate disc, Ø25 x 0.2mm – 99.99% In (each)
£41.15 Add to basketEM-Tec IN25 high purity indium substrate disc, Ø25 x 0.2mm – 99.99% In
EM-Tec IN25 high purity indium substrate disc, Ø25 x 0.2mm – 99.99% In (each)
£41.15