Methods of identification of the old silver jewelry
A. First identify whether the silver a> to see the hardness: the hardness of the silver lower deformation force, imitation hard. 2> weigh weight: the weight of silver than imitation weight. 3> to see color: true silver is white, shiny and softer after a long time to turn black, imitation is not black. > Fire: fire silver becomes black and red, the imitation of copper-nickel alloy or aluminum alloy is not. The silver-plated products for a long time will reveal the "nature".
Two. Followed by identification of old silver age 1> look at the wear degree: to wear off the old silver jewelry is a must have worn the extent of wear or light or heavy, and imitation no wear. Is the most important basis for identification. Imitation imitation black rust, but imitation can not wear degree. 2> to see the black rust: the surface of the black rust of old silver, also known as packet pulp. A long time the silver will turn black, wash off with toothpaste, and imitation of the black rust easily fall off, will stick in your hand. This as an important basis to the income of the many old silver jewelry is a washed over others long-term wear, such as black rust, but still wear degree. 3> to see patterns: various times and in different parts of the silver pattern is different, which requires some experience to distinguish. 4> to see the inscription: Generally speaking, from the silver of the old regular silver floor to play the silver floor, font size, but not so; the other there is a considerable number of individual artists, they lug tool Zoucunchuanhu made for people of all nationalities processing each The type and variety of silver jewelry, silver jewelry, there is no inscription, the process is still quite good, even some more silver than regular silver floor fine.
3. Determine the fineness of the silver port ballast: silver jewelry half of the horizontal cut, look at the mouth of the color of ballast. Ballast mouth snow Ling white cotton, while the fineness of about 98%; bending the hard ballast mouth white with gray or reddish, about 90% purity; bent hard, ballast port reddish, yellowish, yellowish brown color The fineness of about 70%; the ballast lipstick with black, yellow with black, the fineness of about 60%. Verses goes: 99 silver, green and inspected, white; ninety-eight silver, fine gray check, white; 1997 Silver, liver investigation, yellowish mouth; ninety-six silver, coarse gray check, yellowish mouth; silver ninety-five ashes check, yellowish mouth; ninety-four silver, ashes check, multi-red, yellowish mouth; ninety-three silver, the plainer check, yellow mouth; 1992 silver, check plainer, black were the eye, bright yellow mouth; nine silver and white check, yellow mouth; Jiucheng silver, butter yellow check black cases of eye; 1989 Silver yellowish investigation, yellow mouth; silver, in 1988 the yellowish investigation, black cases of eye; eighty-seven silver Zha, Huang, yellow mouth; eighty-six silver, yellowish investigation, micro-black cases of eye; eighty-five silver, check yellowish red were eye daisy heart. The old folk fineness of silver as silver material in more than 80%. Folk craftsmen also commonly used in silver and copper and other metal alloys produced silver, this allows the physical properties of the silver improvements, color change, to achieve more desirable results, so choose the old silverware do not have to pick fineness of more than 90% of election work, choose the style, selected the most own eye edge