Description

Application: Praseodymium Oxide, also called Praseodymia, used to colour glasses and enamels; When mixed with certain other materials, praseodymium produces an intense clean yellow colour in glass. Component of didymium glass which is a colourant for welder's goggles, also as important additive of Praseodymium yellow pigments. Code PO*2N5 PO*2N TREO    min % *9 *9 Pr 6 O *1 /TREO        min % *9.5 *9.0 BET              m 2 /g **6 *- D*0                  μ m 0.***5 0.***5 Relative RE-impurities  max% La 2 0 3 /TREO 0.*3 0.*5 CeO 2 /TREO 0.*3 0.*5 Nd 2 O 3 /TREO 0.5 *- Sm 2 O 3 /TREO *- *- Y 2 O 3 /TREO *- *- Non-RE-impurities  max% Fe 2 O 3 0.**5 0.**5 SiO 2