Atomic Spectroscopy

Forum quality control drift

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quality control drift

charlesthenajr over 4 years ago

significant drift in quality control result during the analysis,performed quality control every ten samples.anyone can give insight.thanks

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0 charlesthenajr over 4 years ago

yes,i'm using internal standard
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0 Tina Harville over 4 years ago in reply to charlesthenajr

Which instrument are you using? Is there an upward drift or downward drift? What do your %RSD's look like for each sample?
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0 charlesthenajr over 4 years ago in reply to Tina Harville

Hi,

I'm using agilent 7800,qc drift downward.
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0 charlesthenajr over 4 years ago in reply to Tina Harville

Hi,

I'm using agilent 7800,qc drift downward.
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