poly cyano
TRANSCRIPT
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PolyCyano UV the one-step process
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PolyCyano UV
One-step process for developing
fluorescent superglue marks
No need for dye
Reduced fuming cycle times
Exclusive to Foster + Freeman
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Evidence is fumed Evidence is dipped Evidence is viewed
in cabinet in dye bath under intense light
Traditional 2-stage cyanoacrylate superglue fuming technique
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Traditional 2-Stage process
Provides high quality prints Can be messy and time consuming Destroys DNA evidence Should not be used on firearms Evaporates at 120oC
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PolyCyano UV 1-Stage process
Provides high quality prints Does not require dipping in chemical dye Retains DNA evidence Can safely be used on firearms
Electrical items, cardboard etc. Evaporates at 230oC
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Equipment: MVC/D
MVC/D Cabinets
1000/D, 3000/D, & 5000/D models available
Redesigned to accomodate
PolyCyano
Tests were conducted on all 3 MVC/D cabinets with
comparable results achieved
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Crime-lite range
PolyCyano UV treated fingerprints can be visualised using the following
light source / filter combinations UV 350-380nm Viewed with GG420 filter Blue 420-470nm Viewed with GG495 & OG515 filters
Equipment: Crime-lite
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Results
UV GG455
Blue GG495 Blue OG515
Example Results
Fingerprints on various surfaces treated with PolyCyano UV and visualised under high intensity light sources
Click on the image to view full screen
When viewing full screen click the image again to return to results
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Results: White Tile
Visible UV GG455
Blue GG495 Blue OG515
Tiles
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Results: Black Tile
Visible UV GG455
Blue GG495 Blue OG515
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Results: Marble tile
Visible UV GG455
Blue GG495 Blue OG515
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Results: Plastic Container
Visible UV GG455
Blue GG495 Blue OG515
Plastics
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Results: Green plastic bag
Visible UV GG455
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Results: White plastic wrapping
Visible UV GG455
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Results: White plastic bag
Visible UV GG455
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Results: Black leather bag
Visible UV GG455
Leather
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Results: White leather bag
Visible UV GG455
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Results: Plastic Container
UV GG455
UV GG455
UV GG455 UV GG455
Polystyrene
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NEW rapid one-stage fuming process
PolyCyano UV chemical exclusive to F+F
Excellent results on difficult surfaces, polystyrene etc.
No need for further chemical treatments
High quality prints revealed using Crime-lites
Existing MVC cabinets can be modified
Key Points...
PolyCyano UV
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Foster + Freeman Ltd 2011