黄金首饰是指以黄金为主要原料制作的首饰。黄金的化学符号为Au,密度是19.32克/立方厘米,摩氏硬度为2.5。黄金首饰从其含金量上可分为纯金和K金两类,现把黄金的基本知识介绍如下
纯金呈金黄色故称之为黄金,如加入相应的元素,会产生不同的颜色。千足金:含金量千分数不小于999可称为千足金,是首饰中成色最高的用金;在千足金首饰上打印“千足金”或“999”“G999”“AU999”,印记不能打24K(金纯度1000‰时称为24K,24K金为理论纯度,故不能称为24K金)。足金:金含量不小于990‰可称为足金,在足金首饰上打印“足金”、“金990”“G990”“AU990”印记;千足金、足金色泽金黄,性质稳定,但质地柔软,易磨损,易变形,不易镶嵌宝石。
zaihuangjinshoushizhong,chunjinshoushizhidijiaoruan,yayaoyouyin,rongyiwanzhe,sezejinhuang、chunzheng、rouhe,shouganchenzhong,youchendiandiandeganjue。yiyuhuangjinshoushixianghunxiaodeshoushizhongleijiaoduo,youdeshidujinshoushi,youdeshibaojinshoushi,youdeshitongzhishoushi,haiyoudeshitonghejinshoushi。xiamianjiuqizhongzhongjianyaoshuomingyixia:
dujinshoushishizaiqitadejinshushoushibiaomianyongdiandufadushangyicengjinse,yanseyuzhenjinshoushixiangfang,jinhuangguangliang,xinshijiaonanbianren。dandujinshoushishouganjiaoqingpiao,zhidijiaoying,yayaowuyin,yongjiuyitunse。youdediandubuhaodedujinshoushi,yansebushifahongjiushifabai,huozhefahua。qishoushiyinjiweigp。
包金首饰shizhizaiqitajinshubiaomianbaoshang24khuo22kdejinbo,baojinshoushidewaiguanyuzhenhuangjinshoushixiangsi,jinguangshanshan,youbuyitunse,shirenzhenjiananbian。danzixiguanchashoushideaoxianchu、jiajiaochu、beihoudeng,keyifaxianyoujinboaotubuping,youqiaobianqipidexianxiang。rushoushishangyouduanliejietou,kecongcikandaojinshucailiaodeduanmianshiwaihuanglibai。ciwai,baojinshoushideshouganyejiaoqing,zhidijiaochunjinshoushiying,yayaowuyin,buyiwanqu,jiudaijinboyiqipituoluo。qishoushiyinjiweifg。
tongzhishoushiseweihuangzhongdaihong,fajia,guangzejiaoan,zhidijiaoruan,zhongliangqingpiao。tonghejinshoushi(tongxihejin),yansefabai,zhiyingzhiqing,jiudaidiaose,huishipifufahei。
wulunshidujinshoushi、baojinshoushi、haishitongshoushi、yajinshoushi,yibanbudaileisihuangjinshoushideyinqian。huosuodaiyinqianbutongyuhuangjinshoushi,ruyoudeshoushikeyouyingwenzimu“gk”,qihanyishi“dujin”。huozheyinqianzijimohubuqing,waiwaixiexie,xiaofeizheyingtongguobianrenshoushishangshifouyouyinqian、yinqianshifoufuheshangshuguiding、yinqianshifouqingxidengfangmianneirong,yipanbiehuangjinshoushizhenwei。
huangjinshoushidejiandingfangfahenduo,zhongguominjianzongjieleyitaojianbianfangfa,qikoujueshi:kanseze、dianzhongliang、tingyinyun、zheyingdu。
1) 色泽
genjuhuangjindebutongguangzeheyansejikedatiqufenchunjin、kjin,zhenjin、jiajin。jijinyichihuangseweijia,chengsezai95%yishang;zhenghuangsechengsezai80%zuoyou;qinghuangsechengsezai70%zuoyou;huangselvedaihuisechengsezai50%zuoyou。guyoukoujuewei“qiqing、bahuang、jiuwuchi、huangbaidaihuiduibanjin”。ruoduijiuzangchuchudeshoushilaishuo,zeyou“tongbianlv,yinbianhei,jinziyongyuanbubianse”deshuofa。
2)看密度
huangjindemidushi19.32ke/lifanglimi,bitongtijideyin、qian、xizhongyibeizuoyou。keyonggongshi:yidinghuangjinshoushidezhiliang(ke)bishangyidinghuangjinshoushidetiji(lifanglimi)dengyumidu。qiuchusuocehuangjinshoushidemidu,miduwei19.32ke/lifanglimizuoyouzeweichunjinhuojiaochunjin,fouzejiweifeichunjinhuochengsechadehuangjin(cifaduishoushiwurenhepohuaixing)。
3)折硬度
huangjinjuyouyanzhanxingheyingduxiaodetedian,nengyachenghoudu12.7weimidebopian。chengsegaoshi,yongdatouzhenhuozhijiakehuajunkeliuxiahenji。97%yishangchengsedehuangjinshoushi,wanzheliangsancihou,wanzhechuchuxianzhouwen,yejiaoyulinwen;95%zuoyouchengsedehuangjinshoushi,wanzheshiganjueying,yulinwenbumingxian;90%zuoyouchengsedehuangjinshoushi,wanzheshihenying,meiyouyulinwen;hanzazhijiaoduodehuangjinshoushi,wanzheliangsancijiduan;ruweishengjinzhizuo,wanjiduan,duanmianyoumingxiandeshalizhuang。yongcifashiyingkaolvdaoshoushidekuanzhaiyubohou,houde、kuandejiuyingxie,bode、zhaidejiuruanxie。
4)听音韵、看弹性
chengsegaodehuangjinshoushishouqiaojihuowangyingdipaozhishi,fachu“puda、puda”dechenmendisheng,qiewuyinyun、wudanli,kjinyouyinyun、yousheng、youdanli,danliyueda、yinyunyuejianyuezhangzhe,chengseyuecha。
5)黄金首饰保养知识
² huangjinshoushiyingdudi,yibianxing、huahen,yincizaibanyunzhongwushiyaojiangjiezhizhaixia。rufaxianyoubianxingde
difangyaojishixiufu,qiejizhechengshenhenerduanlie。
² bunengyugongyejiechu,shoushibiaomianhuiliuxiahuangbaihenji,ciqingkuangkeqingweixiurenyuanyonghuoshao。
² chunjinshoushidejubuxianheisehuohongse,zheishicanliuzaijindebiaomiandehanyaosuozhi,keyongpaoguangjipaoguang。
6)计量单位
yijinhengangsi=31.1035ke
neidi16liangzhi:yiqian=3.125ke
yishiliang=10qian=31.25ke
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深圳市罗湖区翠竹街道贝丽北路金展珠宝广场二十层20F-05/06
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