On-line measurement of anions - Determination of Anions in Natural and Treated Waters - page 767

Chloride Boiler

water
water
treatment
plants

Cabinet
version
8024
Panel
version
8034

0-100
0-200
0-1000
0-2000
0-5000

2.5-
750ml
min −1

5-45 2-20 ±5µg L −1

or ±5%

Solid-state chlo
ion selective
electrode and
sulphate referen
electrode for
potentiometric
determination o
chloride

Nitrate Potable

water
Surface
waters

8026 0-1000

0-500
500-
1000

0.5L
h −1

5-45 2-20 ±5% Liquid membra

nitrate ion selec
electrode

Phosphate Water

quality
monitor
reservoirs

8086
Wall
mounting
8063
Panel
mounting
8064

0-
5000mg
L −1
0-20mg
L −1
0-10mg
L −1

0.5L
h −1
0.5L
h −1
0.51L
h −1

5-55
5-50
5-50

2-20
2-20
2-20

±5%
±5%
±5%

Liquid membra
nitrate ion selec
electrode
Spectrometric
method. Up to 4
L −1 silica result
positive error o
±2µg L −1 phosp
error increasing
higher levels of
silica

Fluoride Potable

water

8081 0.1-

1000mg
L −1

0.5L
h −1

5-55 2-20 ±5% Fluoride-lantha

chloride ion
selective electro
with

Silica Power

generation
industry

Cabinet
mounting
8061
Panel
mounting
8062

0-50
0-200
0-500
0-1000
0-2000

6ml
min −1

5-0 2-20 ±2…g

L −1
or ±2%

calomel referen
electrode sodium
hexametaphosp
sodium chloride
reagents added
suppress alumin
and iron
Spectrophotom
ascorbic acid-
H 2 SO 4 -ammon
citric acid.
Reduction up to
5mg L −1 Phosp
causes positive
of <2µg L −1 sil
30mg −1 phosph
results in positiv
error of 4µg L −