From 1969 to 1994, consumer ink was infusedwith a Coumarin compound. It's a plant extract....
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From 1969 to 1994, consumer ink was infused
with a Coumarin compound. It's a plant extract. They're called chemical date tags. Determine the compound and get
the year the ink was manufactured. Once the ink's extracted, it's analyzed
with thin layer chromatography
with a Coumarin compound. It's a plant extract. They're called chemical date tags. Determine the compound and get
the year the ink was manufactured. Once the ink's extracted, it's analyzed
with thin layer chromatography
Full Transcript
00:00:01.000 --> 00:00:03.236
From 1969 to 1994,
00:00:03.314 --> 00:00:06.365
consumer ink was infused
with a Coumarin compound.
00:00:06.004 --> 00:00:07.891
It's a plant extract.
00:00:08.682 --> 00:00:10.299
They're called chemical date tags.
00:00:10.334 --> 00:00:13.719
Determine the compound and get
the year the ink was manufactured.
00:00:13.965 --> 00:00:17.703
Once the ink's extracted, it's analyzed
with thin layer chromatography.
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Movie Summary
Follows the cases of the Miami-Dade Police Department's Crime Scene Investigation unit as they try to unveil the conditions behind mysterious deaths and crimes.
