Determination of Vitamin B12 in Tablets by Smart Phones
WEN Ning-Hong, NI Gang, LI Hai-Ling, WU Xiao-Hong
College of Chemistry and Chemical Engineering, National Demonstration Center for Experimental Chemistry Education, Ningxia University, Yinchuan 750021, China
Abstract The method of determination of vitamin B12 in tablets was established by using two smart phones and the related apps "RGB palette"and "phyphox".The concentration of vitamin B12 could be measured through the light intensity and calculated the corresponding value of absorbance which could draw the calibration curve, the calibration curve was linear within the range of 4.0~96.0 μg/mL for vitamin B12.This method was simple and quick, which could be applied to the determination of vitamin B12 in pharmaceuticals.
WEN Ning-Hong, NI Gang, LI Hai-Ling, WU Xiao-Hong. Determination of Vitamin B12 in Tablets by Smart Phones[J]. Chinese Journal of Chemical Education, 2019, 40(9): 75-77.
