Bill:  I suspect that there is no such thing as SIR data for a process chemical, since SIR will vary dramatically with varying surfaces treated.  My gut reaction is that SIR is largely controlled by the level of Lead Chloride, which is only slowly soluble in water, thus does not rinse easily.  Clearly, the level of Lead Chloride is going to be controlled by the level of Lead salts present prior to treatment with the process chemical.

  And always remember that free advice is often not worth what you paid for it...

  Rudy Sedlak
  RD Chemical Company

[log in to unmask] wrote:
  You may find it worthwhile to ask for SIR data for such fluids, else you
will end up in the same problem as described in IPC-TP-383. Check PWBs for
organic residues using TMs 2.3.38 & 39, as I recall.

Bill Kenyon
Global Centre Consulting
3336 Birmingham Drive
Fort Collins, CO 80526
Tel: 970.207.9586 Cell: 970.980.6373
email: [log in to unmask]


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