STANDARD RANGE MONO ION SELECTIVE ELECTRODES
| Model |
Description |
Concentration
|
Lower Limit (ppm)
|
Temp. |
Main interferences |
pH |
ISAB |
| 201/NH4 |
Ammonium (NH4+) |
1M-10-6 M
|
0,02
|
0 - 50 |
K+=1,2x10-1, Na+=2,0x10-3, Mg2+=2,0x10-4 |
11-13 |
4M LiAc |
| 201/BA |
Barium (Ba2+) |
1M-5x10-6 M
|
10
|
0 - 50 |
Na+=4x10-4, K+=9x10-3, Ca2+=2,5x10-3 |
5-9 |
4M LiAc |
| 201/BR |
Bromide (Br) |
1M-5x10-6 M
|
0,4
|
0 - 80 |
I-, S2-, CN- must be absent, OH=3x10-5, Cl=2.4x10-3 |
2-12 |
5M NaNO3 |
| 201/CD |
Cadmium (Cd2+) |
10-1-10-6 M
|
0,2
|
0 - 80 |
Ag+, Hg2+, Cu2+<10-7 M |
3-7 |
5M NaNO3 |
| 201/CA |
Calcium (Ca2+) |
1M-5x10-7 M
|
0,02
|
0 - 50 |
Mg2+, Ba2+, Pb2+, Zn2+, Na+ |
4-9 |
4M KCl |
| 201/CL |
Chloride
(Cl-) |
1M-5x10-5 M
|
1,8
|
0 - 80 |
Br, I-, CN must be absent, S2- must be <10-7 M |
2-11 |
5M NaNO3 |
| 201/CU |
Copper (Cu2+) |
1M-5x10-6 M
|
0,3
|
0 - 80 |
S2-, Ag+, Hg2+ should be absent Cl-, Br- interfere |
0-7 |
5M NaNO3 |
| 201/CN |
Cyanide
(CN-) |
10-2-10-6 M
|
0,03
|
0 - 80 |
S2 must be
<10-7 M, I=1,0 |
10-14 |
5M NaOH |
| 201/F |
Fluoride
(F) |
1M-5x10-7 M
|
0,01
|
0 - 80 |
OH=10-1 |
5-8 |
TISAB |
| 201/I |
Iodide
(I-) |
1M-10-7 M
|
0,02
|
0 - 80 |
S2 must be
<10-7 M / CN=1,0 |
3-12 |
5M NaNO3 |
| 201/PB |
Lead
(Pb2+) |
10-1-5x10-6 M
|
1,0
|
0 - 80 |
S2-, Ag+, Hg2+ should be absent, Cd2+, Cu2+, Fe3+ interfere |
0-9 |
5M KNO3 |
| 201/NO |
Nitrate
(NO3) |
1M-5x10-6 M
|
0,08
|
0 -50 |
Cl-, NO2, Br, SO42-, F-,
ClO3-, ClO4- |
3-10 |
1M KH2PO4 |
| 201/K |
Potassium
(K+) |
1M-10-6 M
|
0,04
|
0 - 50 |
Na+, Ca2+, Rb+, Mg2+, Cs+, NH4+ |
4-9 |
TEAC |
| 201/AG |
Silver
(Ag+) |
1M-10-7 M
|
0,01
|
0 - 80 |
S2-, Hg2+ must be absent |
2-9 |
5M NaNO3 |
| 201/NA |
Sodium (Na+) |
Sat.-10-6 M
|
1ppb
|
-5 - +70 |
Li+, K+, NH4+ / Ag should be absent |
9-12 |
SISAB |
COMBINATION ION SELECTIVE ELECTRODES
| Model |
Description |
Concentration
|
Lower Limit (ppm)
|
Temp. |
Main interferences |
pH |
ISAB |
| 201/NH4/CO |
Ammonium (NH4+) |
0,5 - 5 x 10-5
|
9,000 - 0,9
|
0 - 50 |
K+, Na+ |
0-8,5 |
CH3COOH |
| 201/CA/CO |
Calcium (Ca2+) |
10-1 - 5 x 10-7
|
4,010 - 0,02
|
0 -50 |
Ba++, Al+++, Sr++ |
3,5-11 |
KCl |
| 201/CL/CO |
Chloride
(Cl-) |
1 - 3 x 10-6
|
35,500 - 1
|
5 - 50 |
I+, Br, CN-, S-- |
1-12 |
5M KNO3 |
| 201/F/CO |
Fluoride
(F) |
10-1 - 1 x 10-6
|
1,900 - 0,02
|
5 - 50 |
OH- |
4-8 |
TISAB |
| 201/NO/CO |
Nitrate (NO3) |
1 - 7 x 10-6
|
62,000 - 0,4
|
0 - 50 |
Cl-, NO- |
2-11 |
4M
(NH4)2
SO4 |
| 201/K/CO |
Potassium (K+) |
1 - x 10-6
|
39,000 - 0,04
|
0 - 50 |
Cs+, NH4+ |
1-9 |
TEAC |
|
