Page 7 - Pharmaceutical Analytical Chemistry III
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ERRORS in CHEMICAL ANALYSIS
Error is the collective noun for any departure of the
result from the "true" value.
Analytical errors can be:
1. Random (Indeterminate) or unpredictable
deviations between replicates, quantified with the "standard
deviation". Data scattered approximately symmetrically about a
mean value. Affects precision .
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tdoeotelormwi.nAaftfieocntss).aScecuveraracly.possible sources. Readings all too high or
3. Gross Errors.
