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Ceimig Ltd

Units 1-3, Smeaton Road
Wester Gourdie Industrial Estate 
Dundee, DD2 4UT

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SENSOR MATERIALS

Platinum Black, Sintered Platinum, Iridium Black, Gold Black, Iridium Black

With over 30 years of experience in gas adsorption and catalysis Ceimig has unparalleled expertise in the development and manufacture of high quality HSA (High Surface Area) materials for the Gas Sensor industry.

Ceimig materials are comparable in price to other commercially available products but exhibit unparalleled quality, sensitivity and batch to batch consistency. Typically, Ceimig ‘Black’s’ outperform other commercially available sensor materials - in some instances customer have reported Ceimig Black’s to be up to 8 times more sensitive than other commercially available materials.

Ceimig’s attention to performance and quality results in reduced material usage, reduced waste, enhanced yield and improved process consistency for sensor manufacturers.

Gas

Detection/Application

Ceimig Product Group

Hydrocarbons

Carbon Monoxide (CO)

Combustible Hydrocarbons
Hydrocarbon Fuels
Alcohol (breathalysers)

Domestic alarms.
Industrial alarms & monitors.
CO cylinder Storage

Platinum Black (HSA-Pt)
Highly dispersed Pt, black in appearance, surface area ~ 32 m2g, tap density < 0.7 g/ cm3.

Hydrogen (H2)

Hazardous environments

Control of hydrogen scramble & elimination of background noise

Sintered Platinum (Pt)
Dispersed powder, grey/ silver in appearance

Stabilised Iridium
Jet black in appearance, surface area 80-120 m2 g-1, where higher sensitivity is required.

Sulphur containing compounds e.g. Hydrogen Sulphide (H2S)

Refrigeration and food storage

Gold Black (Au)
A highly dispersed gold material rust red in colour. Ideal for adsorption of sulphur containing gases. Resistant to sulphur poisoning and can be utilised in electrochemical sensing.

Platinum Ruthenium Black (HSA Pt/Ru Black)
Highly efficient fuel cell electrode material, low sulphate and chlorine content

Sulphur Dioxide (SO2)

Mercaptan detection e.g. in 
natural gas & aviation fuel

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Ammonia (NH3) & 
Hydrazine (N2H4)

Polymer manufacture
Pharmaceutical manufacture.
Ammonia generation from NOx

Stabilised Iridium
Jet black in appearance, surface area 80-120 m2 g-1, where higher sensitivity is required.

If you have a new gas detection application or require specific sensor material characteristics which are unavailable from current products Ceimig offers a Custom Compound Synthesis Service (CCSS) to help you meet these more challenging requirement. For further information and to discuss your requirements in more detail, or, for informaion on our CCSS services please contact us.