Education Technology

Vernier - Nitrate

Subject Area
Science: Chemistry: Chemical Equations and Reactions
Level
9-12
Activity Time
60 Minutes
Software
TI Connect™
TI Connect™ CE
TI Calculator
TI-84 series
Accessories
CBL™ 2
Sensor - Colorimeter
Sensor - Ion-Selective Electrode
Other Materials
    METHOD 1:
  • Tissues or paper towels
  • Distilled water
  • Paper or plastic cup
  • Low Standard (1 mg/L Nitrate)
  • High Standard (100 mg/L Nitrate)


  • METHODS 2 & 3:
  • 0.1 g plastic measuring spoon
  • Tissues
  • Pipet pump or pipet bulb
  • Cuvette
  • 125 mL Erlenmeyer flask per test
  • A rubber stopper per flask
  • Two 10 mL graduated cylinders
  • Nitrate standard (2.5 mg/L Nitrate)
  • Nitrate reducing agent
  • Mixed Acid Reagent
  • Distilled water
  • Stirring rod
Resource Types
Lessons

Vernier - Nitrate

Activity Overview

Student uses the Nitrate Ion-Selective Probe to measure the Nitrate ions concentration in water samples. In another method, student converts nitrate ions to nitrite and use the Vernier Colorimeter to measure nitrite and calculate the nitrate levels.

Subject Area
Science: Chemistry: Chemical Equations and Reactions
Level
9-12
Activity Time
60 Minutes
Software
TI Connect™
TI Connect™ CE
TI Calculator
TI-84 series
Accessories
CBL™ 2
Sensor - Colorimeter
Sensor - Ion-Selective Electrode
Other Materials
    METHOD 1:
  • Tissues or paper towels
  • Distilled water
  • Paper or plastic cup
  • Low Standard (1 mg/L Nitrate)
  • High Standard (100 mg/L Nitrate)


  • METHODS 2 & 3:
  • 0.1 g plastic measuring spoon
  • Tissues
  • Pipet pump or pipet bulb
  • Cuvette
  • 125 mL Erlenmeyer flask per test
  • A rubber stopper per flask
  • Two 10 mL graduated cylinders
  • Nitrate standard (2.5 mg/L Nitrate)
  • Nitrate reducing agent
  • Mixed Acid Reagent
  • Distilled water
  • Stirring rod
Resource Types
Lessons
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