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看了李玉芝同志“血竭及伪品血竭的薄层鉴别”(中成药,1991年2月)一文,我觉得有必要说明:用薄层鉴别伪品血竭很容易,但经薄层鉴别与对照药材(中国药品生物制品检定所制)一致的血竭,仍可能是不合格的。近年来,我们检验了10余批血竭,除了用对照品做薄层鉴别外,还进行了血竭的最大吸收波长和吸收度的测定等,发现进入我地区的许多薄层鉴别合格的血竭,都不合格,达不到标准。
After reading Comrade Li Yuzhi’s article “Thin-layered identification of blood-exhausted and blood-suppressed fakes” (Chinese patent medicine, February 1991), I think it is necessary to explain that it is easy to identify blood products of fake fakes with thin layers, but it is very thin. It may still be unqualified to identify dragon’s blood that is consistent with the reference drug (made by the China Institute of Pharmaceutical and Biological Products). In recent years, we have examined more than 10 batches of dragon’s blood. In addition to the thin layer identification using the reference material, we have also measured the maximum absorption wavelength and absorbance of dragon’s blood. Exhausted, are not qualified, reach the standard.