Platinum(II) nitrate (Pt(NO₃)₂ ， CAS:18496-40-7 ) , while primarily known for its scientific and industrial applications, can also have a few interesting or "fun" uses (or potential applications) that might intrigue hobbyists, researchers, or those exploring creative chemistry. Here are some of these "fun" applications: 1. Creation of Nano-Particles · Fun Factor : Use platinum(II) nitrate to create platinum nanoparticles, which have fascinating properties like high conductivity and catalytic activity. · How it Works : Dissolve Pt(NO₃)₂ in a solution, then reduce it with a mild reducing agent like ascorbic acid or sodium borohydride. The result is a suspension of platinum nanoparticles, which can be used to explore how nanomaterials interact with light or electricity. Hobby Use : Scientists and enthusiasts can use these nanoparticles for DIY experiments on catalysis or create conductive inks for custom electronics. 2. Invisible Writing or Art · Fun Factor : Use ...