File:IGI-adsorption-UVA-illumination.JPG

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Iron dispersed in paper seen under UVA illumination. Noticeably more dispersed than the visible iron gall ink. Photo by Katherine Kelly. May 2017.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:45, 18 January 2018		3,264 × 2,448 (1.12 MB)	Kkelly (talk \| contribs)	Iron dispersed in paper seen under UVA illumination. Noticeably more dispersed than the visible iron gall ink. Photo by Katherine Kelly. May 2017.

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Camera manufacturer	Apple
Camera model	iPhone 6
Exposure time	1/15 sec (0.066666666666667)
F Number	f/2.2
ISO speed rating	500
Date and time of data generation	16:24, 4 May 2017
Lens focal length	4.15 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	10.3.1
File change date and time	16:24, 4 May 2017
Y and C positioning	Centered
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	16:24, 4 May 2017
Meaning of each component	Y Cb Cr does not exist
APEX shutter speed	3.9070567986231
APEX aperture	2.2750071245369
APEX brightness	−1.2292048674779
APEX exposure bias	0
Metering mode	Pattern
Flash	Flash did not fire, auto mode
DateTimeOriginal subseconds	381
DateTimeDigitized subseconds	381
Supported Flashpix version	1
Color space	sRGB
Sensing method	One-chip color area sensor
Scene type	A directly photographed image
Exposure mode	Auto exposure
White balance	Auto white balance
Focal length in 35 mm film	29 mm
Scene capture type	Standard