天气预报 > 其他 > 如何分辨纯银和镀银
如何分辨纯银和镀银
更新时间: 2020-11-23 00:00:00  

从重量上来看,纯银和镀银是不一样的,镀银里面采用的一般都不是银质,会使用铜、铅等。从硬度上来看,纯银的硬度比较低,如果很难变形,用大头针在首饰避免用力刺,如果针头打滑,表面很难留下痕迹,则可判定为铜质饰品,如果表面的很明显,可能就是铅、锡质地,如果是纯银,表面有痕迹但是不会太明显。

关键词: 如何 分辨

如何分辨纯银和镀银相关经验

天气预报

最新推荐

页面:/news/view-1794223/ | 耗时:0.0622 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1794223 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1794223 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1794223 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1063799,1123205,1304604,970101,206535,1076936,1128771,585298,1044569,1072739,1082954,1093206,1352599,223258,1499560,1132121,1095578,1071972,1278021,1132049,1129221,2248352,1309544,1118797,250789,1084333,1574245,1129539,173156,870721) ORDER BY field (ArticleID,1063799,1123205,1304604,970101,206535,1076936,1128771,585298,1044569,1072739,1082954,1093206,1352599,223258,1499560,1132121,1095578,1071972,1278021,1132049,1129221,2248352,1309544,1118797,250789,1084333,1574245,1129539,173156,870721)