金衡盎司 vs. 常规盎司:理解贵金属的重量
了解金衡盎司(31.1克)和常衡盎司(28.35克)的区别,贵金属为何使用金衡制,以及如何进行换算。
核心观点: 由于其古老的起源和特定的纯度标准,贵金属历来以金衡盎司(一种不同于日常常衡盎司的单位)计量。
要点总结
- ✓Precious metals are measured in troy ounces (~31.1g), not the everyday avoirdupois ounces (~28.35g).
- ✓The troy ounce system has ancient origins and is the global standard for precious metals trading.
- ✓Understanding the difference ensures accurate valuation and comprehension of precious metals markets.
- ✓Conversions to grams (31.1g per troy ounce) are straightforward and essential for clarity.
常见问题
Is the weight of gold measured in troy ounces or regular ounces?
The weight of gold, and all other precious metals like silver, platinum, and palladium, is measured in troy ounces. This is a long-standing international standard for these valuable commodities.
How much heavier is a troy ounce than a regular ounce?
A troy ounce is approximately 31.1 grams, while a regular (avoirdupois) ounce is approximately 28.35 grams. Therefore, a troy ounce is about 2.75 grams heavier than an avoirdupois ounce.
Why do we still use troy ounces for precious metals?
The troy ounce system has been used for precious metals for centuries due to its historical association with purity, value, and its establishment as the global standard for trading these commodities. Changing this established system would create significant confusion and disruption in the international market.
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