Surface enhanced Raman scattering (SERS) spectra of pyridine derivatives adsorbed on iron in 0.1mol/L solution at pH=3.4 were measured using an activated silve
3.2分光光度法测定DTPA-HSA冻干品中亚锡含量叶肇云DTPA-HSA(二乙三胺五醋酸-人血白蛋白)冻干品经 ̄99Tc ̄m标记后,是一种新型血池显像剂。DTPA-HSA冻干品中含高价锝的还原剂SnCl_2·2H_2O。SnCl_2·2H_2O易于...
3.2 Determination of stan