Technical polymers could be identified by means of their remarkably strong auto fluorescence. The mono-exponentially obtained time constants of fluorescence dec
A solid acid catalyst of zirconium sulfate (ZS) on a pure hexagonal mesoporous silica (HMS) sieve was prepared and characterized by small angle X-ray diffractio
This study has compared the ability of paramagnetic element oxides i.e. Pr, Eu, Yb in catalyst oxidation of methane. These have been prepared by precipitation,
It is widely accepted that quantitative reference materials (RM), are indispensable tools for verification of the precision and accuracy of analytical measureme