At 21:18 19/06/98 +0800, you wrote:
>We have observed a strange phenomenon using the Optima 3000 and MSF
>Fistly let me qualify that I believe MSF is the best inter-element
>interference correction method bar none, however...
>We run a multi element QC control sample for drift monitoring, and
>recallibrate if the QC falls outside set tolerance limits.
Why?....Drift monitoring using QC samples on these instruments is not, in my
view, required. Simple daily Hg alignments is all we have found necessary.
>We read three lines for Zinc, 206, 213 and 334nm
>On occasion we note that the Zinc in the control falls outside tollerance
>on the 206 and 213 lines but not the 334 line.
I have a vague memory that V1.2 library has a bug in it. I could be wrong
but I think that one of Zn lines is wrong. I don't know if this is you
problem but it is worth a phone call.
Environmental Science Division
Australian Nuclear Science Organisation
PMB 1 Menai, NSW 2234
email: [log in to unmask]