C=C Alchini (Acetileni)
C=C Alchini (Acetileni)
C=C Alchini (Acetileni)
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Pigmenti: ossidi<br />
Silice (SiO 2 ) 1100-1000<br />
Oltremare 1150-950<br />
Ematite (Fe 2 O 3 ) 560-550, 474-467, 310<br />
Ossido di Co (Co 3 O 4 ) 670, 588-575