Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.

• 本文以四甲基硅烷／甲烷混合反应气，采用DEP技术，测定12个金属血卟啉络合物的解吸化学电离质谱。