化學之成为科学,实际上是在十七世紀末葉,方在歐洲開始。不過和化學有尖的实用知識,從有歷史以來,即已獲得不少;尤其在中國,關於這種知識是有相當豐富的。化学在中国古代的發展,簡單言之,大概可分为三个主要階段,第一個階段,或稱之為第一時期,可從遠古算起直至纪元前第二世紀為止,是有 Chemistry has become science, in fact, the end of the seventeenth century, the square began in Europe. However, the practical knowledge of chemistry has gained a great deal of time since ancient history. Especially in China, there is a wealth of knowledge about this kind of knowledge. In ancient China, the development of chemistry can be roughly divided into three major stages. The first stage, or the first period, can be counted from ancient times until the second century before the end of the century. There is