TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 058
USP elemental impurities: limit test for metals in nicotine by ICP-MS
Global Laboratory Services, Wilson, NC, USA
Nicotine included in e-cigarette formulations usually originates as a 90%+ solution, which is purified further prior to use. While the FDA oversees the tobacco industry, there is currently little regulation regarding the quality of raw materials or ...