Bell Jar & Accessories

Carbon Rods

Used for evaporating carbon onto specimens being prepared for either X-ray analysis or TEM. Available in spectrographically pure (less than 5ppm spot impurities) where demanding research applications are required and technically pure where ultrapurity is not a requirement.
Unsharpened Carbon Rods - 12" Long
Available in 0.120", 0.180", and 0.242" diameter.
Pre-Sharpened Carbon Rods
Spectrographically pure. Single ended rods are 2" long, double ended rods are 2.3/8" long (necks are 3/16" long). Available in 0.120" and 0.242" diameter.
Carbon String and Cord
The carbon cord is recommended for X-ray.
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Carbon Rod Sharpener

Precision cutting of 0.120" diameter special carbon rods by this sharpener eliminates all difficulties of producing excellent carbon rod points for evaporation. An adjustable stop determines the length of the carbon rod to be cut, while an adjustable Carboloy insert in the cutting tool determines the diameter of the carbon rod with point. Not designed for 1/4" carbon rods. Complete as shown with cutting tool and instructions.
Tungsten Wire
Highest quality malleable tungsten wire. Useful for vacuum evaporation of any metals, or to form unusual shapes of evaporating metals.
Available in other diameters upon request
Tungsten Wire Baskets

Conical form to hold metals being evaporated in Tungsten Basket Holder. Made from highest quality tungsten wire. Both leads are in the same plane, simplifying positioning and adjustment of the basket. Three heights available, all have 4.5cm leads and are made of 0.020" diameter wire.
Tungsten Filaments for Evaporation
Filaments are made of 0.020" diameter tungsten wire, 7.6cm (3") long. The 45° angled V-shape center is 17.5mm (11/16") deep.
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