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puntoMicro4Art - sulphate
puntoINJECTIONS MORTARS SYSTEM
puntoMICROCLIMATE
puntoLASER FOR RESTORATION
puntoKAMI LINE
puntoINFRARED REFLECTOGRAPHY
puntoANOXIC DISINFESTATION
puntoVACUUM ARCHIVAL SYSTEMS
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puntoCrack gauge-tests
puntoCHASSIS FOR PAINTINGS - FRESCOES PANELS
puntoRETOUCHING COLOURS
puntoSOLVENT EXHAUSTERS
puntoVACUUM CLEANERS
puntoXIREIN ANTI-WOODWORM
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puntoLightCheck® - Indicatore di luce
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puntoARTGAS-SORB® gas absorber
puntoKIT STONELUX PROFESSIONAL
puntoWI-FI DATALOGGERS
puntoAcrylic Showcases

INFRARED REFLECTOGRAPHY


INFRARED REFLECTOGRAPHY | NIR DIGI | IRIS SYSTEM

INFRARED REFLECTOGRAPHY : Reflectography assumes the principle of a different pigment transparency at low lighting frequencies (infrared), allowing preparatory drawings, repentances and retouches to be revealed under the painting.
Infrared radiation reflects on the preparatory drawing, its optic contrast lines remaining inaltered on the surface beyond the visible spectrum in the infrared area.
As regards pigments, the light absorption value is based on wavelength. According to a survey, most pigment absorption curves reach 800nm. As pigments are transparent in the infrared area, recording systems used by IR reflectography are highly sensitive in the spectrum area where pigment absorption curves lie.




For more details see "online catalog" - category: Laboratorio > Riflectoscopies IR

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