Separation of black ink on TLC plate. I took the photo after experimenting with black ink from permanent marker (Stabilo OHPen universal) and ethanol+water mixture as solvent.
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2004-12-28 22:29 Natrij 676×507×8 (60799 bytes) {{GFDL}}Separation of black ink on TLC plates
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copyright license
GNU Free Documentation License, version 1.2 or later
inception
28 December 2004
exposure time
0.008 second
f-number
2.8
focal length
9.3 millimetre
ISO speed
100
MIME type
image/jpeg
instance of
photograph
checksum
54d8595a4b0c52ca168ae6b5f262e2325aec6746
determination method: SHA-1
data size
258,687 byte
height
1,063 pixel
width
1,909 pixel
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