How to distinguish gold from gilding and fake According to data presented by the Guild of Jewelers, on
Review of fittings for installation of copper pipes Copper components for installation of pipelines are not inferior to analogues
Copper native formula properties Synonyms: Thin mixtures of native copper and cuprite were called cuprocuprite
How to determine the oxidation state. Determining the oxidation state of compounds First, let's try to understand what represents
Copper in the interior - the possibilities of cold metal Copper color is a conscious choice of designers
Rhodium in jewelry: is coating harmful or not? : After wear and tear of any everyday item
Dimensions and weight of 999 gold bar Gold remains the most common and reliable option
Algorithm and rules for testing gold using iodine In this article: Procedure for testing with iodine