[Omrithar]

My name is Omrit
     I work in Gas Separation Plant, Now we have problem about Heat exchager Leak to Refrig. loop. We have 5 user of Refrig. loop. 2 exchangers are plate-fin exchanger, 3 are shell-Tube. We want to inspection leakage at Plate-Fin exchanger while its service. Our consultant recomment "fluorescence tracer"
     If someone have experience about it please advise me (Accuracy of analysis result, method, cost, company that provide this service)
Regards,
Omrit

[eugenedakin]

Hello Omrithar,

The fluorescence tracer is a dye or indicator that can be detected in small quantities.

Here is an example using fluorescent dyes:

http://en.wikipedia.org/wiki/Dye_tracing

The unique fluorescent dye is unmistakable, and enables source-tracing of the leak.

I hope this helps,

Eugene