Formation of Native Copper Mineral Deposit Kit, Includes: Copper sulfate, Sodium chloride, Iron nails, Plastic vials, Filter paper discs, 25mm, Hand magnifiers, helps to create specific environment conditions, examine formation of native copper deposit
Test Tube, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 75x12mm, rimless, Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks, capacity: 5ml, PK48
Lead Free Solder with Easy Pen Dispenser, Cheap solder ruins irons, destroys projects and makes smoke billow from our ears, affordable, flows and melts beautifully, best dispenser, saves a lot of solder, No longer break off sections of solder