Page 38 - Statistics presented by Dr. Sara Ismail Aborass
P. 38
9/8/2023
Errors: Errors:
of the magnitude of the measured Example: Presence of given proportion of
quantity, thus of the size of the sample,
they become more serious as the size of an interferent increases with the size of the
the quantity measured decreases. sample.
cause a color change in titration is a will increase by the sample size.
constant error.
73
large amount is 550 ppm
74
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