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1445968 
Journal Article 
Determination of Folic Acid and its Related Substances of the Ferrous Fumarate and Folic Acid Dispersible Tablet by HPLC 
Chen, Q; Liu, YL; Luo, YH; Luo, M; Luo, LY 
2012 
31 
555-560 
The aim of the present study was to establish a method for
the determination of folic acid and related substances content in dispersible tablets. Method: A
Shim-pack VP-ODS C-18 reversed phase column (4.6 mm X 250 mm) was used. The mobile phase
consisted of methanol-phosphate buffer (20:80) with a pH of 6.3. The flow rate was 1.0 mL/min,
and the detection wavelength was 277nm and the column temperature was 30 degrees C. Results: The
calibration curve was linear in the range of 5 similar to 150 mu g/mL (r = 0.9998) for folic
acid. The minimal detection limit was 99.08 %, n = 9 and the related substances were well
separated. This method resulted to be convenient, accurate, selective and reliable, and can be
applied for the quality control of folic acid. 
Content determination; Folic acid and related substances; HPLC 
IRIS
• Methanol (Non-Cancer)
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