真银和假银的区别

2025-02-27 09:42:23
推荐回答(5个)
回答1:

真银和假银的区别事实上就是纯银的鉴别,任何物质的鉴别都应该回归其自身的本质,自身本质离不开两个方面:物理性质、化学性质,宏观视角与微观视角。

一、纯银与伪造纯银的特点分别是什么?

纯银特点:纯度愈高,银色愈洁白,发亮、精细、表面光洁清雅,有润色、延展性好,不会生锈,但能被空气中的硫化物氧化变色。

伪造纯银特点:伪造白银一般是用红铜、黄铜、白铜、铅、锡、铝等制造的,  各自特点如下:红铜质:外表紫红色,茬口黑红色,生绿绣

黄铜质:外表黄色,茬口豆绿色,生绿绣

白铜质:外表灰白色,茬口砖灰色,生绿绣

铅质:灰蓝色,质软,用指甲可划出道痕

锡质:银白色,质软,用指甲可划出道痕

铝质:白灰色,体质较软而轻

二、如何鉴别真银

1、看颜色

银饰品纯度越高,银色越洁白,表面看上去均匀发亮,有润色。如果含铅,首饰会呈现出青灰色;如果含铜,首饰表面会显得粗糙,颜色没有润泽感。(根据上面所述纯银与伪造纯银的特点即可辨别一二)

2、掂重量

白银的密度较一般常见金属略大,约为10.5g/cm³ 。铝质轻,银质重,铜质不轻又不重,因而掂重量可对其是否为白银做出初步判断。若饰品体积较大而重量较轻,则可初步判断该饰品属其他金属。

3、查硬度

白银硬度较铜低,而较铅、锡大,可用大头针划首饰不起眼的地方进行测试,如针头打滑,表面很难留下痕迹,则可判定为铜质饰品;如为铅、锡质地,则痕迹很明显、突出;如实物留有痕迹而又不太明显,便可初步判定为白银饰品。

4、听声韵

纯银饰品掷地有声,无弹力,其成色越低,声音越低,且声音越尖越高而带韵;若为铜质,其声更高且尖,韵声急促而短;若为铅、锡质地,则掷地声音沉闷、短促,无弹力。

我是最银南清音,只为您能够了解壶,藏好壶。

吾有一银壶,足以慰闲暇。看花开花落,赏四季风景。

回答2:

  银器外观上
  1) 比重判断 白银比重为10.5,比其它具有银白色的金属或合金都大得多,如铅的比重仅为2.7。
  2) 声响判断 白银柔软,抛落在坚硬物体上发出的声响疲软,而其他金属发出声响清脆。
  3) 颜色判断 其他金属所具有的白色终究与银白色有所区别,火烧冷却后,区别尤为明显。用火烧烤后,如是真白银,银色不变;若是假白银,或是成色低劣品,烧烤后则会变黑。另一种方法是用硝酸点滴在银饰品表面,抹去硝酸后,饰品表面仍呈银白色,这说明含银量相当高,若是银含量低的饰品,则会呈灰黑色。
  4) 折弯法 用双手折弯,成色高的,易弯不易断,质次的折弯时则觉较硬,或勉强折动,有的甚至无法用手指折动,包银的经折弯或用锤子敲几下会裂开,假的就经不起折弯,易断裂。

回答3:

银器外观上 1) 比重判断 白银比重为10.5,比其它具有银白色的金属或合金都大得多,如铅的比重仅为2.7。 2) 声响判断 白银柔软,抛落在坚硬物体上发出的声响疲软,而其他金属发出声响清脆。 3) 颜色判断 其他金属所具有的白色终究与银白色有所区别,火烧冷却后,区别尤为明显。用火烧烤后,如是真白银,银色不变;若是假白银,或是成色低劣品,烧烤后则会变黑。另一种方法是用硝酸点滴在银饰品表面,抹去硝酸后,饰品表面仍呈银白色,这说明含银量相当高,若是银含量低的饰品,则会呈灰黑色。 4) 折弯法 用双手折弯,成色高的,易弯不易断,质次的折弯时则觉较硬,或勉强折动,有的甚至无法用手指折动,包银的经折弯或用锤子敲几下会裂开,假的就经不起折弯,易断裂。

回答4:

拿银子到粉刷了白墙上画一下如果可以画出一条小黑线就是真的;画不出来就是假的

回答5:

真银的光泽偏黄
假银比较亮白,像不锈钢的颜色

真银的用大头针能划出道子
假的大头针一放上去就打滑

真银的掉地在不弹起来
假的掉地上会弹起来

这些都是我亲自试验过的

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