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Electrophoresis. 1999 Jul;20(9):1904-6.

Determination of tetrahydropalmatine in Chinese traditional medicine by nonaqueous capillary electrophoresis.

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Department of Pharmacy, Hospital 401, Qingdao, PR China.


Tetrahydropalmatine in Rhizoma corydalis and its preparations were separated and determined with no pretreatment in the buffer solution of 50 mmol/L of sodium acetate in methanol containing 2 mol/L acetic acid.

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