Explozivi, Alcaloizi, Toxine, Plante Otravitoare – pentru Referate Chimie, Bilogie si Fizica


[66] Halogenuri

Date: April 22nd, 2007 | Comments : none | Categories: Luminophore.
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Hlogenuri neactivate
~~~~~~~~~~~~~~~~~~~~
        Iodurile de Na, K, Rb, Cs;
        Halogenurile de Cu, Ag;
Halogenuri monoactivate
~~~~~~~~~~~~~~~~~~~~~~~
                                                              +     _
        Halogenurile metalelor alcaline activate cu ioni de Ag si Te
                                                       -6   -2
Activatorii sunt solutii solide in substanta de baza 10  -10
(atomiùgram/molùgram) substanta de baza.
Halogenuri dubluactivate
~~~~~~~~~~~~~~~~~~~~~~~~
                    2+     2+
NaCl -activata cu Mn  si Pb
                    +     +
KCl  -activata cu Ag  si Pb

 

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