METHODS Acidic dye colorimetry with bromothymol blue as ionpairreagent was employed to determine the alkaloids in samples.
方法用溴麝香草酚蓝同川芎生物碱形成稳定的有色离子对酸性染料比色法测定总生物碱的含量。
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Results: After inspection the factors of different ionpairreagent and ionic strength which effect the system peak and the system peak effect analytic peak, the original method was improved.