Awesome, thanks again John. I was trying to alter it via wavescan timing, but didn't even think of using the on peak count time to alter it.
Just FYI we conducted the troilite analysis using what we had at the time with the fast peak scanning. It was hard with the superfast integrated intensities to notice fine moves in peak shift, but some were definitely very different and some not at all. Which is strange but its a natural troilite sample so who knows what kind of variation to expect in it. In addition there were definitely peak shifts in S Ka as we might expect. Totals ranged from too low now (by 1-2 wt%), however some were very close to what we might expect.
We are hoping to rerun his samples again soon now with the slower integrated intensities and will see what happens. He is also getting his lab back in Nanjing to send us some of their synthetic troilite which we might play around with.
Cheers
Although one can do excellent quant on sulfides/sulfates using different peaked positions for each phase, with sufficient precision one should be able to get excellent quant on pyrite, pyrrhotite, sulfate and toilite, using the same standard, by using the integrated intensity scan method... without knowing the exact peak position in advance!
Some one should do that and post it here!
You'll need a decent integration time, and I'd bring in the backgrounds a little closer to the peak as we don't need to spend too much time on the tails, but not too close, so as to allow for the expected peak shifting!