PT 72 Hafnium Traditional Cache
Hidden : 8/11/2012
Difficulty:
1.5 out of 5
Terrain:
1.5 out of 5

Size: Size: small (small)

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Geocache Description:

30/08/2018 Update: Cache has now been adopted by hhheddy. Many thanks to BlaKids for creating the periodic table series.

Welcome to the periodic table of the elements powered trail. There will be 113 caches to each represent each element on the periodic table (until new elements are added). For simplicity sake only elements approved by the “International Union of Pure and Applied Chemistry” will be included in this series.



The cache containers are small tubes as shown in the picture below


These containers have only a logbook inside them and no pen/pencil. Please make sure to bring a pen.

Most zirconium minerals contain 1 to 3% hafnium. Hafnium is a ductile metal with a brilliant silver lustre. Its properties are influenced considerably by the impurities of zirconium present. Of all the elements, zirconium and hafnium are two of the most difficult to separate. Hafnium is a Group 4 transition element.

Because hafnium has a good absorption cross section for thermal neutrons (almost 600 times that of zirconium), has excellent mechanical properties, and is extremely corrosion resistant, it is used for nuclear reactor control rods. Source: Webelements.

This power trail starts at Mount Henry Bridge and continues south down the freeway cyclepath. This power trail is designed for bicycles or walkers and will be extremely hard, if not impossible for drivers. There is however a car park and a playground near the start.

Please stay safe and enjoy the power trail.

Additional Hints (No hints available.)



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