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A 2,300-Year-Old Chinese Chemistry Formula Has Been Deciphered

Source: Tom Yun, August 5, 2022

Analyzing ancient Chinese coins, researchers concluded that this ancient metalworking process must have involved alloys rather than pure metals.

The ingredients in a 2,300-year-old ancient Chinese chemistry formula have finally been identified, revealing new secrets about metallurgy in ancient China.

The formula came from the Kaogong ji, a Chinese text dating back to 300 BC that’s been called the “oldest known technical encyclopedia.” The translated text of the formula reads, “The jin is divided into six, tin occupies one. This is the receipt for bells and tripod-vessels. The jin is divided into five, tin occupies one. This is the receipt for axes and hatchets.”

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