accuracy solutions concentration
Posted: Mon Mar 14, 2011 11:37 pm
the 120% and 80% of nominal concentration for accuracy study has to be exact or approximate concentration is okay?
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I think you should target 80 and 120%. And would not need to be exact, we aren't. Usually 90-110% (or tighter) is the spec range for us anyhow for our products.the 120% and 80% of nominal concentration for accuracy study has to be exact or approximate concentration is okay?