Debbie,

Some major producers are (You'd have to call to see which is best for your needs/budget)

Nicolet 800-232-1472
Varian 800-926-9000
Perkin Elmer  800-762-4000

The silicone Si-O absorption is likely around 9-10 micrometers.  Since many silicones are mixtures, it could be only a qualitative check.  Samples of thin films can be applied to a KBr wafer with solvent.  It is important to exclude moisture if looking for an Si-OH stretch because water will overlap this region.

The price these days is probably comparable to an AA with NOx burner which would give detection as low as  1.5ppm Si.  Good luck.  Maybe the manufacturer knows a less expensive litmus test for their silicone?

Paul Wilson
Plant Chemist
[log in to unmask]



----------
>
> We are looking for FTIR equipment to put in house to do silicone
> detection analysis. I am looking for information on what is available
> and ballpark costs along with  pros/cons of such equipment.
>
> As always your help is very much appreciated.
>
> Debbie Kenney
> M-Flex
> [log in to unmask]
>
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