The identification method of S925 silver ornaments

S925 silver ornaments in the identification of method 1) Ok: the density of silver to 10. 53 grams per cubic centimeter. Small than platinum, gold, weigh in hand by hand without object handle. Steel is to be able to trace, also can bend. Using this method can also be main and imitation silver and platinum to distinguish or k platinum, silver ornaments. 2) Phonology: standard silver ornaments after landing sound dull, don't bounce, not rolling. 3) Mark: silver ornaments in general there should be a silver (English abbreviation 's' or 'sterling) The mark. Standard silver yes s925 mark on them. Fine silver is s990 mark on them. But there are many countries in the silver not mark on the first act the role ofing is tasted. 4) Acid test: silver once met acid can change color, and even dissolve. If in silver jewelry inside a drop of concentrated hydrochloric acid, immediately generated a white moss of silver chloride precipitation. And other precious metals will not have this kind of phenomenon. 5) Color: silver is mostly a yellow silvery white, with little presents the soft metallic luster. Because of easy oxidation, time is long, silver-white color becomes dark yellow.