background: the removal of toxic metals from sewage and wastewaters is one of the most important concerns in the twenty first century. the removal of poisonous cr(vi) from aqueous solution by different low-cost available nanoporous adsorbents was investigated in the present study.  methods: fumed silica, bentonite (bn), hydrotalcite (ht), mcm-41, na-y, mordenite (mor) and sapo-34 were used at d...

•M 1991 RADIATION CHEMISTRY SO^-induced oxidation of 1,3,6-trimethyluracil and 1,3,5-trimethyluracil (1,3dimethylthymine) by potassium peroxodisulphate in aqueous Solution: an interesting contrast R. Rashid, F. Mark, H.-P. Schuchmann and C. von Sonntag 1081 Ultraviolet difFerence spectral studies in the y-radiolysis of D N A and model Compounds. II. Oxygen and temperature dependence in adenine ...