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Thermo Scientific™ Orion™ Nitrate Ion Selective Electrodes
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CAS Number :
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Specifications:
| Application | Electrochemistry | Warranty | 1 Year |
| Storage Temperature | Room Temperature | ||
| Product Type | Probes & Electrodes | ||
| Product Brand | Thermo Fisher Scientific™ | ||
| Product Grade | Analytical grade | ||
Thermo Scientific™ Orion™ Nitrate Ion Selective Electrodes provide a fast, accurate, and cost-effective method for measuring free nitrate ions (NO₃⁻) in water, wastewater, environmental, and food samples. These electrodes are ideal for laboratories that require NIST-traceable measurements and regulatory compliance, including Standard Methods SM 4500-NO₃⁻ D and Orion Method 601.
Available in combination electrode (9707BNWP), the Orion nitrate electrodes feature the Sure-Flow™ junction to prevent clogging and maintain stable measurements. The combination electrode includes an integrated sensing and reference element.
Key Features and Benefits
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Complies with Standard Methods
- SM 4500-NO₃⁻ D for drinking and wastewater analysis
- Orion Method 601 for nitrate testing
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Sure-Flow™ Junction Technology
- Prevents junction clogging
- Allows quick flushing by pressing the electrode cap
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Low Detection Limits
- Accurate nitrate analysis at trace levels in aqueous samples
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Easy to Maintain and Use
- Replaceable sensing modules extend electrode life
- Wide range of compatible standards and filling solutions available
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Versatile Formats for Laboratory Flexibility
- 9707BNWP: Combination nitrate ISE with BNC waterproof connector
Specifications
| Parameter | Description |
|---|---|
| Catalog Number | 9707BNWP |
| Type | Combination Nitrate ISE |
| Connector | BNC (Waterproof) |
| Compatible Equipment | ISE/pH meters with BNC input |
| Junction Type | Sure-Flow™ |
| Internal Reference | Double Junction (Orion ROSS or Ag/AgCl) |
| Measurement Range | 0.1 to 14,000 ppm NO₃⁻ |
| Response Time | < 60 seconds (95% of final value) |
| Sample Type | Aqueous samples (environmental, food, industrial) |
| pH Range | 2 to 11 |
| Temperature Range | 0 to 40°C (non-compensated) |
| Warranty | Electrode: 12 months; Module: 6 months |
Required Accessories and Solutions
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Standards:
- 920706: 0.1 M NaNO₃ Nitrate Standard
- 920707: 1000 ppm as N
- 930707: 100 ppm as N
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ISA (Ionic Strength Adjuster):
- 930711: ISA for nitrate (475 mL)
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Interference Suppressor:
- 930710: Nitrate Interference Suppressor Solution (NISS), 475 mL
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Filling Solutions:
- 900046: F electrode filling solution (5 × 60 mL)
- 900002: Inner chamber fill solution for double junction references
What’s Included
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9707BNWP:
- 970701 (97 series sensing modules) × 2
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930711 ISA solution (1 × 60 mL)
Applications
- Drinking Water Monitoring
- Wastewater Nitrate Compliance Testing
- Soil and Agricultural Runoff Studies
- Food and Beverage Quality Control
- Environmental Water Analysis
Thermo Scientific™ Orion™ Nitrate ISEs deliver rapid, precise nitrate detection in a robust, easy-to-maintain format. Whether you need a combination or half-cell electrode, these sensors provide dependable performance and regulatory compliance in both field and lab settings. With Sure-Flow™ junctions and replaceable modules, they offer excellent value and performance in nitrate monitoring workflows.