Adsorption/desorption isotherms of supercritical methane on superactivated carbon have been measured in the range of 0 10 MPa and 233 333 K (20 K interval). The
A new selective and sensitive kinetic method for determination of trace amounts of vanadium(Ⅴ) (0.5~40ng/ml) based on its catalytic effect on the oxidation of a