TLD Rod Annealing Planchet with Acrylic Cover, Holds 50 TLD Rods

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TLD Rod Annealing Planchet with Acrylic Cover, Holds 50 TLD Rods.

The TLD Annealing Planchets are engraved with numbers 1 to 10 across the top.  The rod planchet is engraved with numbers 11, 21, 31, and 41 on the side, indicating chip locations.

The specially machined holes (3/16" diameter) allow good thermal contact of the rods providing rapid cooling when placed between  the brass cooling plate set (Item 164-000), as required by the Cameron Annealing Technique.
They are furnished with two holes on one end for the Planchet Handle (Item 163-002).  An acrylic storage cover with two thumb screws provides a secure way to retain the rods in their locations after cool down.

TLD Procedure

• Bake TLD rods at 400° C for 1 hour, then quench between Brass Cooling Plates (Item 164-000)

• Bake TLD rods at 80° C for 16 to 24 hours or 100° C for 2 hours

• Expose to radiation

• The TLD reader preheat cycle is set at 100° C

• The TLD’s should be read under a low amount of nitrogen, either 1.88 SLPM (Standard Liters per Minute) or 4 SCFH (Standard Cubic Feet per Hour).

Specifications
Material:  Anodized Aluminum
Size:  10 cm x 12 cm x 6.3 mm

Note:  To clean the holes, use cotton swabs.  Bake the planchet for 4 hours at 400° C before using.  The aluminum planchet will not deposit aluminum on the TLD rods.