-40%
Check Source for Geiger Counter, 5 Gram Thorium Dioxide Impregnated Cube
$ 8.97
- Description
- Size Guide
Description
Check Source for Geiger Counter, 5 Grams of Thorium Dioxide Suspended in Acrylic Epoxy CubeCondition is New.
Shipped with USPS wrapped in plastic and bubble wrap.
This listing is for one acrylic epoxy cube containing at least 5 grams of thorium dioxide. Thorium dioxide emits alpha particles and undergoes beta and gamma decay.
The bottom side of the cube opposite the side with the trefoil warning sticker will contain the highest concentration of thorium dioxide. Placing the bottom of the cube within 1/4" of a geiger tube should give a reading higher than 500CPM with a beta/gamma detecting Geiger counter.
The 5 gram cube weighs at least 8 grams and is approximately 9/16 " or 16mm on all sides.
This listing meets the requirements of NRC 10 CFR 40.22
It will also meet U.S.P.S domestic shipping requirements for exempt limited quantities of class 7 materials according to --347.22 "are eligible under 49 CFR to be shipped as excepted packages for limited quantities" and --Exhibit 347.22 Activity Limits-- and also --173.435-- Table of A1 and A2 values
Geiger counter is not included.