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since 1924 raw materials, formulations & finishing - PITTURE E ...

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Durata ASTM D3273 Concentrazione ASTM D3273<br />

dell’esposizione valutazione di HPLC valutazione<br />

della superfici mg/m<br />

Tab. 1 Pittura per esterni, PVC 40%, esposizione in ambiente esterno con<br />

direzione nord, Seelze, Germania, Concentrazione residua di Diuron<br />

in funzione della classificazione<br />

Exterior Paint, PVC 40%, Outdoor Exposure direction north, Seelze,<br />

Germany. Residual concentration of Diuron versus rating<br />

2 del campione<br />

in bianco<br />

Exposure ASTM D3273 HPLC ASTM D3273<br />

time month rating of concentration rating of<br />

surface mg/m2 with Diuron<br />

BLANK<br />

0 10 178 10<br />

3 10 10<br />

6 10 6<br />

12 8 38 2<br />

18 8 0<br />

24 6 8 0<br />

30 4 0<br />

36 4

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