银戒指为什么会变色？银戒指变黑、变黄、变红铜色的原因

银戒指变黑

1.硫化变色

kongqiheqitawuzhi（rujidan、huazhuangpin）zhongdeliu、xiaosuanheyanghuawuduiyindouyouzheyidingdefushizuoyong。eryinshoushidaideshijianzhangle，liuyuyinjiehejiuhuizaiyinshoushibiaomianxingchengyicengheisedeliuhuayinmo，kaishibiaoxianweiyixiexixiaodebandian，zhihoukuosanchengpian，xingchengrenmentongchangsuoshuodeyingou，bianchengweiheise。

2、人体汗液

youxierendetiyezhongliuhanliangbijiaogao，zheixiehanyezhongdeliuyuyinjiezhijiechu，yehuixingchengliuhuayinerchuxianbiaomianbianheidexianxiang。

3.紫外线照射

ziwaixianduiyinzhidejiezhilaishuoyeshiyizhongshanghailaide，tachulehuijiasuyinyanghuadexianxiang，haihuirangjiezhibiandehenanchen，wanquanmeiyoudangchudejinglisecai。yincijingchangbaoluzaiyangguangdixia，yinjiezhibianheiyeshihenzhengchangde。

银戒指变黄

yinshuyubijiaohuoyuedejinshu，zhangqibupeidaibaoluzaikongqizhong，jiuhenrongyizaochengyanghuabianhuangdexianxiang。yinyujinyebukeyitongshipeidai，henrongyidaozhiyinbianhuang。

银戒指变红铜色

1.氧化变色

yanghuashidaozhiyinshibianse，shiquguangzehuobianchenghongtongsedezhuyaoyuanyin。chunyangdefushixinghenda，youqiduijinshu。kongqizhongdeyangqizuizhonghuikaishisunshangshouzhuodengyinshoushi。bingqieyanghuashikongqizhongdeyangfenziyushouzhuojinshuzhijianjiaohuzuoyongdejieguo。

2.金属不纯

yinjiezhibianchenghuangtongsedelingyigeyuanyinshiyinbuchun。xuduoyinshoushishiyongduozhongjinshuhejinzhicheng。ruguohunheletong，jiuhuidaozhishoushizaishiyongyiduanshijianhoufachuhongtongse。

3.镀银掉色

youxieshoushishiyinseshiyinweiduyinhuodulao。ganghuotongdengjinshukeyiyongbobodeyicengyinfugai。jieguoshirangshoushiyouyindewaiguan，danshijishangshiqitajinshuzhicheng。ruguoniyoushoushikaishibianchenghongtongse，youkenengshizheiyiyuanyin。yinshoushi（youqishishouzhuo）chixujiechupifuhemocahuidaozhiduyintuoluo，bingluchuxiamiandetong。

yishangshiguanyuyinjiezhibiansedeyixiexiangguanyuanyin，dangyinjiezhifashengbianseshi，keyixianzixingyongyixiejiaoweijiandandefangfaqingxiyixia。erruguobiansejiaoweiyanzhong，neimekeyigoumaizhuanyongdeqingxiyechuli。gengweifuzadeqingkuang，keyidaozhubaodianchuli，jinzaohuifuyinjiezhibiaomiandeguangliangseze。