Lu Gan, Yang-Ye Zhou, Qin-Qin Fang, Jian-Jun Xu, Su-Qing Chen, Yan Zhu, Cheng-Zhu Ni
A non-invasive condensation collection-ion chromatography method was established for the determination of organic acids and anions including lactic acid, formic acid, acetic acid, pyruvic acid, chloride, nitrate, nitrite, and sulfate in the exhaled breath of humans. The breath exhaled was condensed and collected using a home-made exhaled breath condensation equipment. This equipment included a disposable mouthpiece as a blow-off port, one-way valve and flow meter, cold trap, disposable condensate collection tube placed in the cold trap, and gas outlet...
March 8, 2024: Se Pu, Chinese Journal of Chromatography