eutech-instruments bromide epoxy 用户手册
Instruction Manual
Bromide Electrode
18
Low Slope or
standards contaminated
prepare fresh standards
No Slope or incorrectly made
ISA not used
use recommended ISA
standard used as ISA
use ISA
electrode exposed
check section entitled
to complexing agents
Complexation
air bubble on membrane
remove bubble by
re-dipping probe
"Incorrect Answer" incorrect scaling of
plot millivolts on the linear
(but calibration
semi-log paper
axis. On the log axis, be
curve
is
good)
sure
concentration
numbers
within each decade are
increasing with increasing
concentration.
incorrect sign
be sure to note sign of
millivolt
number
correctly
incorrect standards
prepare fresh standards
wrong units used
apply correct correction factor:
10
-3
M = 79.9 ppm as Br
-1
complexing agents
check section entitled
in sample
Complexation