主要成分
Main Components
商代铜器的主要金属成分是铜、锡和铅，从测定结果看，各个时期的不同器物在合金比例上并不一致。商代早期的一件铜爵经测定含铜92%，锡7%，而另一件锛则含铜98%，锡只有1%。武汉市黄陂区盘龙城出土的商代中期铜礼器中，有的含铜81～88%，锡5～8%，铅1～6%；有的含铜71%，而铅则高达21～24%。
The main metal components of Shang Dynasty copper wares are copper, tin and lead. According to the results of measurement, the alloy ratios of different wares in different periods are inconsistent. In the early Shang Dynasty, one copper Baron contained 92% copper and 7% tin, while the other one contained 98% copper and only 1% tin. Some of the bronze ceremonies unearthed in Panlongcheng, Huangpi District, Wuhan City, in the middle Shang Dynasty contained 81-88% copper, 5-8% tin, 1-6% lead, 71% copper and 21-24% lead.