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Vernier NO3-BTA Nitrate Ion-Selective Electrode


PRICE: 196.90

Vernier NO3-BTA Nitrate Ion-Selective Electrode Description

Nitrate concentration, which can be increased by acidic rainfall, fertilizer runoff from fields, and plant or animal decay or waste, is an important parameter in nearly all water quality studies. Use the Nitrate ISE to determine the concentration of the nitrate ion in a water sample.
The Nitrate ISE has a combination-style, non-refillable, gel-filled electrode. Like all other PVC ISE membranes, the membrane on the ISE has a limited life expectancy. However, the replaceable module of ISE allows you to simply discard the used membrane module, and replace it with a new one.
Note: We recommend that you do not purchase ISE replacement modules too far in advance of their expected time of use as degradation occurs while they are stored on the shelf.
Important: Ion-Selective Electrodes require good chemical technique and careful calibration to obtain accurate results; they are not recommended for middle school or elementary students.

Specifications
Range: 0.10 to 14,000 mg/L or ppm (7 × 10-6 M to 1.0 M)
Resolution (LabQuest 2, LabQuest, LabQuest Mini, Go!Link, LabPro):
% of reading: 0.7%
Low scale reading: 0.10 ±0.0007
High scale reading: 14,000 ±98 mg/L
pH Range: 2.5 to 11
Interfering Ions: CIO4-, I-, ClO3-, CN-, BF4-
Electrode Slope (log voltage vs. concentration): –56 mV/decade
Electrode Resistance: 1 to 4 MO
Reproducibility: ± 5% of reading
Temperature range (can be placed in): 0 to 50°C (no temperature compensation)
Minimum immersion: 1 inch
Electrode Length: 155 mm
Body Diameter: 12 mm
Cap Diameter: 16 mm
Cable Length: 100 cm

What’s Included
Vernier Nitrate Ion-Selective Electrode
30 mL bottle of Nitrate Low Standard (1 mg/L)
30 mL bottle of Nitrate High Standard (100 mg/L)
Short-term ISE soaking bottle
User manual

The Nitrate Ion-Selective Electrode requires a compatible interface and software to collect data. Interface and software sold separately.

The Nitrate Ion-Selective Electrode is compatible with these interfaces:
LabQuest 2
LabQuest
LabQuest Mini
Go!Link
SensorDAQ
Vernier LabPro
Vernier EasyLink
CBL 2
TI-Nspire Lab Cradle

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