Reversed-phase high-performance liquid chromatogra- phy ( HPLC ) using a column packed with octadecylsilyl - ated silica gel particles has been both extensively studied and widely used for analysis ...
We’ve written before at HuffPost UK about how everything from theyellowish liquid on your yoghurt to the tops of strawberries can be reused. So what does the second life of silica gel packs look ...