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Vernier CA-BTA Calcium Ion-Selective Electrode


PRICE: 296.00

Vernier CA-BTA Calcium Ion-Selective Electrode Description

Data from the Calcium ISE can give a good indication of hardness of water (as Ca2+). The concentration of Calcium is also used as an endpoint indicator in EDTA-Ca/Mg hardwater titrations.

The Calcium 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: 0.20 to 40,000 mg/L or ppm (5 × 10-6 M to 1.0 M)
Resolution (LabQuest 2, LabQuest, LabQuest Mini, Go!Link, LabPro):
% of reading: 1.4%
Low scale reading: 0.20 ±0.0028
High scale reading: 40,000 ±560 mg/L
pH Range: 3 to 10
Interfering Ions: Pb2+, Hg2+, Sr2+, Cu2+, Ni2+
Electrode Resistance: 1 to 4 MO
Electrode Slope (log voltage vs. concentration): +28 mV/decade
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 Calcium Ion-Selective Electrode
30 mL bottle of Calcium Low Standard (10 mg/L)
30 mL bottle of Calcium High Standard (1000 mg/L)
Short-term ISE soaking bottle
User manual
Sensor Requirements

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

The Calcium 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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