黄金首饰为什么会泛白

　　黄金shoushi，youqishizujinshipin，zaizhongguobeipubianjieshou，peidaimianfeichangguang，jincancande，texianfugui，bingqieyansewendingxingfeichanghao，yibanbuhuiyinpeidaiergaibian。danyouxierenzaipeidaiguoyiduanshijianhou，chuxianlefanbaidexianxiang，zheishizenmehuishini?

　　黄金首饰weishenmehuifanbai?huangjinshibijiaoguizhongdeshipin，huangjinweishenmehuifanbaini?ruguoliuxinzhuyidehua，nihuifaxian：zujinshipinfanbaidexianxiangjuedaduoshushichuxianzaineixieaimeidenvshishenshang，henshaozainanshishenshangchuxian。zheishiyinweizujinshoushidefanbaiyuhuanjingzhongdehgnongdujinmixiangguan——youyuzujinshoushijiechudaoleshuiyin，shidejinyugongfashenglehuaxuefanying，shengchenglebaisedejingonghuahewuerzaochengde。qifanyingshishi：

　　xau + yhg = auxhgy

　　yinci，zujinshipinfanbaiyoujizhongkeneng：

　　1、 huanjingzhonghangong——zheikezuoweihuanjingjiancedeyigezhibiaolaikan，zheizhongqingkuanghenshaofasheng;

　　2、 zujinshipinpengdaolegong;

　　3、 huazhuangpinzhonghanyougong。

　　qianliangzhongshiouranfashengde，gailvbuda，dandisanzhongqingkuangquehenchangjian：duoshunvshisuoshiyongdehuazhuangpinzhongjingchanghanyouzengbaizuoyongdeshuiyinchengfen，dangcayouhuazhuangpindejifuyuzujinshipinjiechushi，zujinshipinxishouleqizhongdeweilianggongyuansu，shijianyijiu，zujinshipinjiuchuxianlefanbaixianxiang。

　　huangjinshoushiweishenmehuifanbai?chulijinshipinfanbaixianxianghenjiandan：

　　maidianjiujing，zaizujinshipindefanbaichu，yongjiujingdengshaokaoyihuier，shuiyinjiuhuizhengfadiao。daishuiyinzhengfawanhou，shoushijiuhuifuchengyuanlaidejinhuangse，qingqingcashi，jiuhuifuruxinle。

　　dangran，yaoxiangbimianhuangjinshipinbianhuangdexianxiang，zaipeidaizujinshipinshijiuyaozhuyi，jinliangbikaihangongdehuanjing。youqishinvshipeidaishi，jinliangbuyaorangzujinshipinjiechudaohangongdehuazhuangpin。