C=C Alchini (Acetileni)
C=C Alchini (Acetileni)
C=C Alchini (Acetileni)
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Pigmenti: solfati<br />
Barite 1185, 1128-1120, 1082, 639, 614, 200<br />
Anidrite 3700-3200, 1140-1080, 620<br />
Gesso 3500-3400,1700-1600, 1150-1100,700-600