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Sodium ion selective electrode 1512A-10C
for water analysis

sodium ion selective electrode
sodium ion selective electrode
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Characteristics

Tested parameter
sodium
Applications
for water analysis

Description

Sodium ion electrode 1512A-10C Specifications Measuring range 2.3 to 230,000 mg/L Na+ (10-4 to 10 mol/L) Na+ pH range 230 mg/L (10-2 mol/L) Na+ Over pH 4.5 Applicable temperature range 0 to 60℃ Response time (90%) Within 30 seconds*1 Applicable reference electrode 2565A Selection coefficient K+、Li+ = 10 NH4+ = 20 Ca2+ = 500 • 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.

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