Справочник Пользователя для eutech-instruments cyanide epoxy
Instruction Manual
Cyanide Electrode
17
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 sure
curve is good)
concentration numbers within
each
decade
are
increasing
easing
concentration.
incorrect sign
be sure to note sign
of millivolt number correctly
incorrect standards
prepare fresh standards
wrong units used
apply correct conversion factor:
10
-3
M = 26.0 ppm CN-
complexing agents
check section entitled
in sample
Complexation