Fourth International Conference on « New ... - NDIP 11 - IN2P3
Fourth International Conference on « New ... - NDIP 11 - IN2P3
Fourth International Conference on « New ... - NDIP 11 - IN2P3
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A double problem for black drawings<br />
Problem of black pigment compositi<strong>on</strong><br />
The compositi<strong>on</strong> of pigments remains unknown.<br />
Need for verifying the presence of manganese and to complete the analyses of 1956.<br />
(Graziosi, La Nature, 1956)<br />
Problem of direct dating of works<br />
Need for identifying possible charcoal for radiocarb<strong>on</strong> dating (CEA\LSCE-Gif-sur-Yvette)<br />
SSTM / Réf présentati<strong>on</strong> : Rouffignac<br />
Date 21/06/05 14
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