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SENTEK LIMITED |
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Manufacturer’s of Electrochemical Sensors |
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Mono ISE’s (Require Separate Reference) |
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The SENTEK range of standard mono ion selective electrodes are ideal for applications where high accuracy is required, particularly where ion levels are low (<1ppm)
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sentekuk@btconnect.com +44 (0) 1376 340 456 |
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Order No. |
Description |
Concentration Range (Mol/L) |
Lower Limits (ppm) |
Temp Range oC |
Ref. Elec. |
Main Interference’s |
pH Range |
ISAB |
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334-75 |
Ammonium (NH4+) |
10-1 - 10-6M |
0.02 |
0-50 |
R2 |
K+=1.2X10-1, Na+2.0X10-3, Mg2+=2.5x10-2 |
5-8 |
4M LiAc |
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312-75 |
Barium (Ba2+) |
1M - 5x10-6M |
10 |
0-50 |
R2 |
Na+=4x10-4, K+=9x10-3, Ca2+=2.5x10-2 |
5-9 |
4M LiAc |
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302-75 |
Bromide (Br) |
1M - 5x10-6M |
0.4 |
0-80 |
R2 |
I-, S2-, CN- must be absent, OH-=3x10-5, Cl-=2.4x10-2 |
2-12 |
5M NaNO3 |
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309-75 |
Cadmium (Cd2+) |
10-1 - 10-6M |
0.2 |
0-80 |
R1 |
Ag+, Hg2+, Cu2+, <10-7M |
3-7 |
5M NaNO3 |
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310-75 |
Calcium (Ca2+) |
1M - 5x10-7M |
0.02 |
0-50 |
R2 |
Mg2+, Ba2+, Pb2+, Zn2+, Na+ |
4-9 |
4M KCl |
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301-75 |
Chloride (Cl-) |
1M - 5x10-5M |
1.8 |
0-80 |
R2 |
Br, I-, CN- must be absent, S2- must be less than 10-7M |
2-11 |
5M NaNO3 |
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306-75 |
Copper (Cu2+) |
1M - 5x10-6M |
0.3 |
0-80 |
R2 |
S2-, Ag+, Hg2+ should be absent, Cl-, Br- interfere |
0-7 |
5M NaNO 3 |
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304-75 |
Cyanide (CN-) |
10-2 - 10-6M |
0.03 |
0-80 |
R2 |
S2- must be <10-7M, -=1.0 |
10-14 |
5M NaOH |
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333-75 |
Fluoride (F) |
1M - 5x10-7M |
0.01 |
0-80 |
R1 |
OH- = 10-1 |
5-4 |
TISAB |
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303-75 |
Iodide (I-) |
1M - 10-7M |
0.02 |
0-80 |
R2 |
S2- =10-1 must be <10-7M/CN=1.0 |
3-12 |
5M NaNO3 |
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307-75 |
Lead (Pb2+) |
10-1 - 5x10-6M |
1.0 |
0-80 |
R2 |
S2-, Ag+, Hg2+ should be absent, Cd2+, Cu2+, Fe3+ interfere |
0-9 |
5M KNO3 |
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311-75 |
Nitrate (NO3-) |
1M - 5x10-6M |
0.08 |
0-50 |
R2 |
Cl-, NO2-, Br. SO42-, F-, ClO3-, ClO4- |
3-10 |
1M KH2PO4 |
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314-75 |
Potassium (K+) |
1M - 10-6M |
0.04 |
0-50 |
R2 |
Na+, Ca2+, Rb+, Mg2+, Cs+, NH4+ |
4-9 |
TEAC |
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308-75 |
Silver (Ag+) |
1M - 10-7M |
0.01 |
0-80 |
R2 |
S2-, Hg2+, must be absent |
2-9 |
5M NaNO3 |
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315-75 |
Sodium (Na+) |
Sat. - 10-6M |
1ppb |
-5 - +70 |
R2 |
Li+, K+, NH4+/Ag should be absent |
2-12 |
SISAB |
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305-75 |
Sulphide (S2+) |
1M - 10-7M |
0.003 |
0-80 |
R1 |
Hg2+, Ag+ must be absent |
12-14 |
SAOB |
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331-75 |
Voltametric Ind. |
- |
- |
0-80 |