By Anonymous on Wednesday, June 2, 2004 - 08:09 pm:

I need a comparation cromatogram for OVI method I test. I'm using a comertial VOI std but I do not have peaks. Some one can help me.
Thanks

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By Bernd Mischke on Friday, June 11, 2004 - 03:37 am:

Let us know a little bit more about Your secret system,
no peaks is in a complex GC not enough...