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2019, Vol. 40(9): 75-77    DOI: 10.13884/j.1003-3807hxjy.2018020060
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
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