黄金首饰戴了发暗是什么原因、怎么办？

       外界污垢导致黄金变暗

       huangjinbianandeyuanyinyouhenduozhong，waijiewuranjiushiqizhongyige。huangjinshoushipeidaishijianzhangle，puguangzaiwaijiedeshijianyezhang，daozhikongqizhongdegezhongweichenyifuzaihuangjinshoushibiaomian。youqishidangwomenzaichufangdengdifanggongzuodeshihou，kongqizhongbujinyouchenai，haiyouyouwu，yidanyouwuyifudaohuangjinshoushishangmianhuijiazhonghuangjinshoushibianan。

       人体废物导致黄金变暗

  ;     zaixinchendaixiedeguochengzhong，rentihuicongmaokongzhongpaichubushaofeiwu，qizhongjiubaokuorusuan、lvdaiwudeng，zheixiewuzhihehuangjinshoushijiechuhuichanshenghuaxuefanying，daozhichanshengheisewuzhi。youqishizaixiatian，rentipaichudehanyehuijiazhonghuangjinbiananerdingqingkuang。

       化学物质导致黄金变暗

    ;   zaidiaochaguochengzhongfaxian，dabufenfanyinghuangjinbianandexiaofeizhedadoushinvxing，erchuxianzheizhongqingkuang，henvxingdexiguanyeyouyidingguanxi。aimeiderenzonghuihuashangjingzhidezhuangrongchuxianzaigezhongchanghe，danshiwomenyongdehuazhuangpinzhongdouhanyougezhonghuaxuewuzhi，zheixiewuzhihehuangjinshoushijiechu，yehuidaozhihuangjinbiaomianbianan。

       zhideyitideshi，yixiewenquanshui、youyongchizhongyedouhanyouduihuangjinshoushiyouyingxiangdewuzhi，zaijinxingxiangguanhuodongdeshihouyeyaotebiezhuyi。

       lejieguoyishangguanzhuhuangjinshoushibianandezhuyaoyuanyinzhihou，xiaobiantixingdajia，huangjinshoushizuihaoyaodingqiqingxi，bujinkeyiyizhishihuangjinbiaomianguangliangruxin，yenengfangzhihuangjinshoushichuxianbianandeqingkuang；lingwainvxingpengyouxuyaozhuyi，zuihaozaiyiqiehuazhuangbuzhouwanchengzhihouzaipeidaihuangjinshoushi，jinliangjianshaohuazhuangpinhehuangjinshoushidejiechu。

       huangjinshoushibiananlezenmeban？huangjinshoushibiananzhihoukeyidaozhuanyedejindianjinxingxiufu，huozhejianghuangjinrongdiaozhongxindazao，youhuozhedaojindianyijiuhuanxin，huanyijianxindehuangjinshoushi，zheixiedoushibucuodechulifangfa，guanjiankandajiazenmexuanze。