Keywords: CuSO4.5H2O.jpg Private photo released to the public domain en wikipedia 2007-01-02 Superdvd wikipedia en original upload log page en wikipedia CuSO4 5H2O jpg 2007-01-02 10 34 Superdvd 2592×1944×8 2166989 bytes <nowiki>private photo</nowiki> Copper II sulfate pentahydrate Samples of inorganic compounds Taken with Nikon Coolpix 5100 |