Electrodes


HORIBA's superior electrode technology has produced unparalleled tough pH glass bulbs and unique flat sensors. Electrodes have different designs to cater a wide range of applications - from pure water to complex samples. Select the suitable electrode that is specially designed for your application.

Nitrate ion electrode 8201-10C

Specifications

Measuring range

0.62 to 62,000 mg/L NO3-
(10-5 to 1 mol/L) NO3-

pH range

62 mg/L (10-3 mol/L) NO3-
pH 3 to 7

Applicable temperature range

0 to 50℃

Response time (90%)

Within 15 seconds*2

Applicable reference electrode

2565A

Selection coefficient

ClO4- = 0.03 l- = 0.1 Br- = 2
NO2- = 3 Cl- = 40 F- = 200
CH3COO- = 300
SO42- = over 1,000

• The response time is the time which is required to reach 90% response when the ion concentration is gradually changed from 10-4 mol/L to 10-2 mol/L with the solution stirred.
Exception:
*1: 90% response when ion concentration is changed to 10-6 mol/L ∼ 10-2 mol/L
*2: 95% response when ion concentration is changed to 10-3 mol/L ∼ 10-1 mol/L
*3: 95% response when ion concentration is changed to 10-4 mol/L ∼ 10-2 mol/L
*4: 95% response when ion concentration is changed to 10-4 mol/L ∼ 10-1 mol/L

• The selection coefficient is a ratio of the limit concentration of coexisting ions (mol/L) to the ion concentration to be measured (mol/L); The value of 1000 means that the coexisting ions can be permitted up to 1000 times the ion measured and ''not acceptable'' means that chemical change occurs in the solid response membrane.

Schematics

Downloads


The materials accessible from this website were current at the time of posting.
Please note that the material may differ from that provided with the product.

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