在pH5.0的HOAc-NaOAc缓冲溶液中,当有0.10%SLS存在时,Ag(I)与QARH形成1:1络合物,λ_(max)为535nm,ε为1.05×10 ̄5L·mol ̄(-1)·cm ̄(-1),Ag(I)含量在0.005~1.00μg/mL范围内服从Beer定律,稳定常数为1.78×10 ̄(15).所提出的方法用于精铜矿中微量银的测定,结果满意
Ag (I) forms a 1: 1 complex wi
The formation of molecular oxygen from water by PSⅡ is supposed to occur by meansof a linear, four-electron oxidation process involving five so-called S-state
The widespread Permian carbonate strata outcropped in northwestern Thailand are considered as the evidence for the Late Paleozoic shallow Tethys. Our investigat