戒指上印着“足白金”什么意思?含铂的成分是多少?多少钱一克的?

2025-03-16 10:07:42
推荐回答(1个)
回答1:

你买的不是铂金,而是白色金,俗称白色18K金或白色金,请看我以下的转接 白色金,又称K白金、白金,其实它是一种合金,它的代号WG (white gdd)也就是白色金的意思。一般国外戳记常用WG585(14K) 、WG750(18k)或是仅以数字代表含量、白色金具有良好的反射性,不易失去光泽。 铂金,又称纯白金,它的符号是PT,银灰白色,比重21.35,熔点1700℃,摩氏硬度4-4.5度,化学性稳定,除王水以外不受酸碱腐蚀。纯铂比较柔软,加入钯、铑、钙等金属会增加其硬度,国际上铂金的戳记是PT,纯度以十分数代表,如PT900,PT950,PT990。 钯金,是铂系家族的一员,常态下不易氧化和失去光泽,温度400℃左右表面会产生氧化物,但温度上升至900℃时,又恢复光泽,用PD表示,常见的为PD950,表示含钯量为950%。 在不规范的市场上,铂金和K白金都被人习惯地叫作白金,所以有些消费者怀疑铂金和白金是不是一种金属? 铂,也称铂金,它的英文是PLATIUM,一般以其缩写PT为代号。而商家所售的标有18K 白金或18KWG的金首饰,则是黄金中加入25%的钯或镍的白色合金,它实际上就是K金的一种,其黄金含量为75%。

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