The absorption value of content water-solubility which is more than 0. 5 and determination at 283 nm could control the quality satadard of Fufang Danshen pian.

• 复方丹参片中丹参的水溶性成分在283nm波长处的吸收值应在0.；5以上；可用以控制复方丹参片的质量标准。