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  • Donna Chen

Photochromic Pigment – Sensitivity Test I

The intensity of the photochromic colour (new blue) increased with the decreasing distance between UV light source and photochormic pigment, here in video 60 cm -- 2 cm -- 60 cm

Die Intensität der photochromen Farbe (neues Blau) nahm mit abnehmendem Abstand zwischen UV-Lichtquelle und photochromem Pigment zu, hier im Video 60 cm -- 2 cm -- 60 cm

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