• Obtaining and Characterisation of Thermoresistive Pigments 

      Sandu, Andrei Victor; Vasilache, Violeta; Sandu, Ion; Saviuc, Mihaela; Sandu, Ioan Gabriel; Popa, Ioan Marcel (Universitatea "Dunărea de Jos" din Galați, 2009)
      The paper describes the obtaining and chemical and physico-structural characterisation of a green thermoresistive pigment. The pigment is made of ZnO dopped with Sb, Bi, Cr, Co and Fe oxides and it is used at mosaics and ...
    • Study on the Specific Effects of Corrosion processes on Ancient Bronze Artefacts 

      Sandu, Ion; Quaranta, Marta; Bejinariu, Costică; Sandu, Ioan Gabriel; Luca, Dorin; Sandu, Andrei Victor (Universitatea "Dunărea de Jos" din Galați, 2007)
      The paper presents the cases of the corrosion processes which take place on starting from the usage period when the primary patina is being formed and when the secondary patina starts, than continuing with the archaeological ...
    • The authentification of Old Bronze Coins and the Structure of the Archaeological Patina 

      Sandu, Ion; Diaconescu, Florin; Sandu, Ioan Gabriel; Alexandru, Adrian; Sandu, Andrei Victor (Universitatea "Dunărea de Jos" din Galați, 2006)
      This paper presents comparative results concerning the chemical composition and mineralogical distribution of the main compounds from the structure of the archaeological patina of ancient bronze coins, which were determined ...