The measurements of the content of cystine using colorimetric method with phosphato-tungstic acid(H2o)3p205(wo3)18 as colrimetric liquid have been carried out.

• 本文对用18磷钨酸比色法测定丝索中的胱氨酸含量；进行了研究.；对比色液的最大吸收波长；比色液的发色时间;