Vernier - Nitrate
TI Connect™ CE
Sensor - Colorimeter
Sensor - Ion-Selective Electrode
- METHOD 1:
- Tissues or paper towels
- Distilled water
- Paper or plastic cup
- Low Standard (1 mg/L Nitrate)
- High Standard (100 mg/L Nitrate)
- 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
METHODS 2 & 3:
Vernier - Nitrate
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.

TI Connect™ CE
Sensor - Colorimeter
Sensor - Ion-Selective Electrode
- METHOD 1:
- Tissues or paper towels
- Distilled water
- Paper or plastic cup
- Low Standard (1 mg/L Nitrate)
- High Standard (100 mg/L Nitrate)
- 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
METHODS 2 & 3:
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