比色法测定福敏软膏中腐植酸的含量

Determination of Humic Acid Content in Fuming Ointment by Colorimetric Method

采用比色法测定福敏软膏中腐植酸含量的方法,平均回收率99.40％,相对标准差为0.63％。

In this paper, humic acid content in Fuming ointment was determined by colori-metric method. Results showed that the average recovery rate was 99.40%, and the relative standard error 0.63 % .