Ion Selective Electrode ISE measurement

Perform ISE measurements with confidence

Rely on Orion ion selective electrodes for superior performance and reproducible results. Obtain accuracy by leveraging NIST-traceable calibration standards along with ionic strength adjusters, reagents, and fill solutions for all ISE measurement needs.

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Featured electrodes:

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  Combination Fl ISE
with reference
High performance ammonia
electrode
Combination Cl ISE
with Sure-Flow
reference
Combination Na ISE
with Sure-Flow
reference
  Combination fluoride ISE ure-Flow reference electrode High performance ammonia electrode Combination Cl ISE
with Sure-Flow
reference Combination Na ISE
with Sure-Flow
reference electrode
  Combination
fluoride ISE
with Sure-Flow
reference
Body and
membrane assembly simplifies use; delivering optimum performance
Combination
chloride ISE
with Sure-Flow
reference
Combination Ross
Sodium ISE with
Sure-Flow reference
 
  • Fluoride surface
    can be easily
    cleaned using
    toothpaste and a
    lint-free wipe
  • Built-in Sure-Flow
    reference provides
    fast and
    stable readings
  • Pre-assembled
    body and
    membrane
    simplifies use and
    achieves optimum
    performance
  • Durable reference pellet which can be polished to restore electrode performance 
  • Sure-Flow reference provides easy maintenance and optimum performance
  • Unique redox ROSS reference system provides fast response, better stability and accuracy than conventional sodium electrodes
  • Sure-Flow reference prevents clogging while giving fast, stable readings.
Product SKU number 9609BNWP1 9512HPBNWP1 9617BNWP1 8611BNWP1
Measurement Range 1 x 10-6 M to saturated
0.02 ppm to saturated
5 x 10-7 to 1.0 M
0.01 to 17,000 ppm
5 x 10-5 to 1.0 M
1.8 to 35,000 ppm
1 x 10-6 M to saturated
0.02 ppm to saturated
Temp. Range 0° - 80°C 0° - 50°C 0° - 80°C 0° - 100°C
Connector Type BNC Waterproof BNC Waterproof BNC Waterproof BNC Waterproof
Key information
ISE electrode connectors
 
 1 BNC Waterproof Connector
 2 BNC Connector
 3 Screw Cap Connector, requires separate cable
   All cap diameters are 16 mm at bottom of cap
   All cable lengths are 1 meter
  Increase your productivity with  ISE electrode accessories
  See our complete list of  ISE electrodes

ISE Calibration Standards, Ionic Strength Adjusters, Reagents and Fill Solutions

Our solutions are known for delivering accurate and reproducible ISE measurement results. We test our Orion ISE solutions using the measurement equipment and ISE it is made for. Ensure the integrity of your ISE measurements by pairing your high quality electrodes with our high quality solutions.

Product SKU

Description

Ammonia for 9512BNWP Standard and 9512HPBNWP High Performance Electrodes
951006 0.1 M NH4Cl Ammonia standard, 475mL
951007 1000 ppm Ammonia as Nitrogen (N) standard, 475mL
951207 100 ppm Ammonia as Nitrogen (N) standard, 475mL
951211  Ammonia Ionic Strength Adjuster (ISA) with pH-indicating blue dye, 475mL, for samples containing metallic ions
951210  Ammonia low level Ionic Strength Adjuster (ISA) with pH-indicating blue dye, 475mL, for samples with no metallic ions
951213 Ammonia electrode storage solution, 475mL
951209 Ammonia high perform electrode fill solution, 60mL
951202 Ammonia standard electrode fill solution, 60mL
Ammonium Solutions for 931801 Module, 9300BNWP Handle & 900200 Reference Electrode
951007 1000 ppm Ammonium as Nitrogen (N) standard, 475mL
900018-WA Ammonium electrode fill solution, 5 x 60mL
Bromide Solutions for 9635BNWP Combination or 9435BN & 900200 Half-cell Electrodes
943506 0.1M NaBr Bromide standard, 475mL
940011 Bromide Ionic Strength Adjuster (ISA), 475mL
900063 Optimum results D fill solution, 5 x 60mL
Cadmium: Solutions for 9648BNWP Combination or 9448BN & 900200 Half-cell Electrode
940011 Cadmium Ionic Strength Adjuster (ISA), 475mL
900061 Optimum results A fill solution, 5 x 60mL
Calcium: Solutions for 9720BNWP Combination or 9320BN & 900100 Half-cell Electrodes
922006 0.1 M CaCl2 Calcium standard, 475mL
923206 100 ppm as CaCO3 Calcium standard, 475mL
932011 Calcium Ionic Strength Adjuster (ISA), 475mL
900061 Optimum results A fill solution, 5 x 60mL
Carbon Dioxide: Solutions for 9502BNWP Electrode
 
950206 0.1 M NaHCO3 Carbon Dioxide standard, 475mL
950207 1000 ppm as CaCO3 Carbon Dioxide standard, 475mL
950210 Carbon Dioxide Ionic Strength Adjuster (ISA), 475mL
950202 Carbon Dioxide electrode fill solution, 60mL
Chloride: Solutions for 9617BNWP Combination or 9417BN & 900200 Half-cell Electrodes
941706 0.1 M NaCl Chloride standard, 475mL
941708 1000 ppm Chloride standard, 475mL
941707 100 ppm Chloride standard, 475mL
940011 Chloride Ionic Strength Adjuster (ISA), 475mL
941709 Chloride Complexation Ionic Strength Adjuster (CISA) reagent pack, 2 x 1L
900062 Optimum results B fill solution, 5 x 60mL
900017 Chloride electrode fill solution, 5 x 60mL
Chlorine, Residual: Solutions for 9770BNWP Electrode
977007 100 ppm as Cl2 Residual Chlorine standard, 475mL
977011 Residual Chlorine acid reagent, 475mL
977010 Residual Chlorine iodide reagent, 5 x 50mL
Cupric: Solutions for 9629BNWP Combination or 9429BN & 900200 Half-cell Electrodes
942906 0.1 M Cu(NO3)2 Cupric standard, 475mL
940011 Cupric Ionic Strength Adjuster (ISA), 475mL
900063 Optimum results D fill solution, 5 x 60mL
Cyanide: Solutions for 9606BNWP Combination or 9406BN & 900200 Half-cell Electrodes
951011 Cyanide alkaline reagent, 10 N NaOH, 475mL
900062 Optimum results B fill solution, 5 x 60mL
Fluoride: Solutions for 9609BNWP Combination or 9409BN & 900100 Half-cell Electrodes
940906 0.1 M NaF Fluoride standard, 475mL
940907 100 ppm Fluoride standard, 475mL
040908 10 ppm Fluoride standard premixed with TISAB II, color coded blue, 475mL
040907 2 ppm Fluoride standard premixed with TISAB II, color coded red, 475mL
040906 1 ppm Fluoride standard premixed with TISAB II, color coded green, 475mL
940916 Fluoride Standard Bulk Pack – 4 x 475mL each of 1 ppm Fluoride standard premixed with TISAB II (040906) and 10 ppm Fluoride standard premixed with TISAB II (040908)
940909 TISAB II for Fluoride ISE, 1 gallon
940999 TISAB II for Fluoride ISE, 4 x 1 gallon
940911 TISAB III (concentrated) for Fluoride ISE, 475mL
900061 Optimum results A fill solution, 5 x 60mL
Fluoroborate: Solutions for 9305BN & 900200 Half-cell Electrodes
930711 Fluoroborate Ionic Strength Adjuster (ISA), 475mL
Iodide: Solutions for 9653BNWP Combination or 9453BN & 900200 Half-cell Electrodes
945306 0.1 M NaI Iodide standard, 475mL
940011 Iodide Ionic Strength Adjuster (ISA), 475mL
900063 Optimum results D fill solution, 5 x 60mL
Lead: Solutions for 9682BNWP Combination or 9482BN & 900200 Half-cell Electrodes
948206 0.1 M Pb(ClO4)2 Lead standard, 475mL
900062 Optimum results B fill solution, 5 x 60mL
Nitrate: Solutions for 9707BNWP Combination or 9307BNWP & 900200 Half-cell Electrodes
920706 0.1 M NaNO3 Nitrate standard, 475mL
920707 1000 ppm Nitrate as Nitrogen (N) standard, 475mL
930707 100 ppm Nitrate as Nitrogen (N) standard, 475mL
930711 Nitrate Ionic Strength Adjuster (ISA), 475mL
930710 Nitrate Interference Suppressor Solution (NISS), 475mL
900046 Optimum results F fill solution, 5 x 60mL
Nitrite Solutions
954606 0.1 M NaNO2 Nitrite standard, 475mL
934610 Nitrite interference suppressor solution, 475mL
900046 Optimum results F fill solution, 5 x 60mL
Nitrogen Oxide Solutions
954606 0.1 M NaNO2 Nitrogen Oxide standard, 475mL
956410 Nitrogen Oxide acid buffer, 475mL
954602 Nitrogen Oxide electrode fill solution, 50mL
Perchlorate Solutions
930711 Perchlorate Ionic Strength Adjuster (ISA), 475mL
Potassium: Solutions for 9719BNWP Combination or 9319BN & 900200 Half-cell Electrodes
921906 0.1M KCl Potassium standard, 475mL
931911 Potassium Ionic Strength Adjuster (ISA), 475mL
900065 Optimum results E fill solution, 5 x 60mL
Silver: Solutions for 9616BNWP Combination or 9416BN & 900200 Half-cell Electrodes
940011 Silver Ionic Strength Adjuster (ISA), 475mL
900062 Optimum results B fill solution, 5 x 60mL
900067 Optimum results C fill solution (when sample temperatures vary), 5 x 60mL
Sodium: Solutions for 8611BNWP Combination or 8411BN & 800300 Half-cell Electrodes
941706 0.1M NaCl Sodium standard, 475mL
841108 1000 ppm Sodium standard, 475mL
941107 100 ppm Sodium standard, 475mL
941105 10 ppm Sodium standard, 475mL
841111 Sodium Ionic Strength Adjuster (ISA), 475mL
841113 Sodium electrode reconditioning solution, 475mL
841101 Sodium electrode storage solution, 475mL
650700 Sodium KAP Analysis Kit – 3 x 475mL of 1 M NaCl with ISA and 47mL of Sodium ISA (841111)
841109 Sodium KAP standard, 1000 ppm with ISA, 475mL
900010 Sodium electrode fill solution, 5 x 60mL
900012 Sodium electrode (low level) fill solution, 5 x 60mL
900004 Sodium micro electrode fill solution, 5 x 60mL
Sulfate: Solution for 9682BNWP Lead Electrode
948207 0.1M Na2SO4 sulfate standard for lead electrode, 475mL
Sulfide Solutions for 9616BNWP Combination or 9416BN and 900200 Half-cell Electrodes: Solutions for 9616BNWP Combination or 9416BN & 900200 Half-cell Electrodes
941609 Sulfide SAOB reagent pack, 4 x 475mL
900061 Optimum results A fill solution for Sulfide electrode (when sample temperatures vary), 5 x 60mL
900062 Optimum results B fill solution for Silver/Sulfide electrode, 5 x 60mL
Surfactant Solutions for 9342BN & 900200 Half-cell Electrodes: Solutions for 9342BN & 900200 Half-cell Electrodes
654202 0.01M SLS Surfactant standard, 1 x 60mL
654201 0.05M hyamine Surfactant titrant, 475mL
654205 Non-ionic Surfactant titrant, 475mL
654203 Surfactant sample additive, tritonX-100, 475 mL
810007 Surfactant electrode fill solution, 5 x 60 mL
Thiocyanate: Solutions for 9458BN & 900200 Half-cell Electrodes
940011 Thiocyanate Ionic Strength Adjuster (ISA), 475mL
Water Hardness Solutions
922006 0.1M CaCl2 Water Hardness standard, 475mL
923206 100 ppm as CaCO3 Water Hardness standard, 475mL
 Signifies a hazardous solution.

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ISE Accessories, Membranes and Modules

Explore a full line of supporting accessories offered to meet your ISE measurement needs. Replacement modules are available individually or in convenient three-packs.

 

Product SKU

Description

948201 Polishing strips for solid state electrodes
Ammonia, High Performance (9512HPBNWP, 9512HP01)
951214 20 loose membranes
951215 3 pre-assembled bodies and membrane caps
Ammonia, Standard (9512BNWP, 951201)
951204 20 loose membranes
951205 3 bonded membranes
Carbon Dioxide (9502BNWP)
950204 4 membranes with o-rings
Nitrogen Oxide (9546BN)
954604 20 loose membranes
950015 Spare electrode parts kit
97 Series Plastic Membrane Calcium, Nitrate and Potassium Combination Electrode Accessories
9700BNWP 97 series electrode body with waterproof BNC connection
972001 Replacement module for calcium combination electrode (9720BNWP)
970701 Replacement module for nitrate combination electrode (9707BNWP)
s971901 Replacement module for potassium combination electrode (9719BNWP)
93 Series Plastic Membrane Ammonium, Calcium, Chloride, Fluoroborate, HF Resistant pH, Nitrate, Perchlorate, Potassium and Water Hardness Half-Cell Electrode Accessories
9300BNWP 93 series electrode body with waterproof BNC connection
930000 93 series electrode body with U.S. standard connection
9300SC 93 series electrode body with screw cap, separate cable required
900100 Single junction reference electrode with pin tip connection
900200 Double junction reference electrode with pin tip connection
931801 Replacement module for ammonium half-cell electrode
932001 Replacement module for calcium half-cell electrode (9320BN)
930501 Replacement module for fluoroborate half-cell electrode (9305BN)
930702 Replacement module for nitrate half-cell electrode (9307BNWP)
930701 Replacement modules (3) for nitrate half-cell electrode (9307BNWP)
931901 Replacement module for potassium half-cell electrode (9319BN)

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Ion Specific (ISE)
Benchtop
Meters

benchtop conductivity measurement

The accuracy and reliability of your measurements depends on the instrumentation you use. Learn more about how you can identify the best match based on your required features, performance, specifications, and budget.

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Portable
Meters

portable conductivity measurement

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Standards
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Solutions

standards and solutions for conductivity measurement

We offer conductivity standards, TDS standards, and conductivity probe conditioning solutions for your conductivity measurement needs. Find the standards and solutions that you need for your process.
 

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Using high-quality solutions to calibrate and maintain your sensors is the best way to ensure your data is both accurate and reproducible. Learn more about why high-quality solutions deliver correct measurements every time.  

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Perform quick and accurate measurements by using high quality Thermo Scientific Orion Ion Specific Electrodes and reagents for ion specific measurement. We offer a comprehensive portfolio of ion selective electrode calibration standards, ionic strength adjusters, reagents, and fill solutions for your ISE measurement needs. All the consumables you need to measure fluoride or ammonia in water and wastewater are available with one part number.

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Low Level Ammonia ISA Electrode Storage Solution

We make ammonia measurements easy by offering a complete line of ammonia standards, reagents, storage solution and fill solutions for your ion selective electrode. Combined with an Orion ammonia electrode, our solutions provide highly accurate measurements, low limits of detection and easy maintenance

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