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Thermo Fisher Scientific Ion Selective Electrodes Copper User Manual

Page 25

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25

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

conversion

factor:

10

-3

M = 63.5 ppm

Cu

+2


complexing agents

check section

in

sample

entitled

Precipitation and

Complexation;

use

titration




SPECIFICATIONS

Concentration Range:

1X10

-1

to 10

-8

M Cu

+2

(6354 to 6.4X10

-4

ppm)


pH Range:

2 to 12


Temperature Range:

0

o

- 80

o

C


Resistance:

< 1 Mohm


Reproducibility: +/-2%

Samples:

aqueous solutions only:

no organic solvents


Size:

110 mm length

12 mm diameter

1 m cable length


Storage:

store in cupric solution