Activities

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- Lesson Files
- Teacher Notes PDF
- Teacher Notes Datamate PDF
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Alignment
- Standards Alignment
- Textbook Alignment
Subject Area
- Science: Chemistry: Chemical Equations and Reactions
Author

Vernier Software & Technology
Level

9-12
Activity Time

60 Minutes
Device
- TI-83 Plus Family
- TI-84 Plus
- TI-84 Plus Silver Edition
- TI-84 Plus C Silver Edition
- TI-84 Plus CE
Software

TI-GRAPH LINK™
TI Connect™
TI Connect™ CE
Applications
Accessories

CBL™/CBL 2™
Sensor - Colorimeter
Sensor - Ion-Selective Electrode
TI Connectivity Cable
TI-GRAPH LINK™ Cable
Unit-to-Unit link cables
Vernier LabPro®
Other Materials
- 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
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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.

Key Steps

One method using the Colorimeter makes the standard curve using one standard point and finding the linear regression equation to estimate the Nitrate Ion concentration in the water sample.
Students can also use the Colorimeter with multiple standards in making the linear regression. An example of 4 standard points is shown.

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Activities

Download

Lesson Files

Alignment

Subject Area

Author

Level

Activity Time

Device

Software

Applications

DataMate

EasyData® for TI-83 Plus and TI-84 Plus

Vernier EasyData™ for TI-84 Plus CE

Accessories

Other Materials

Report an Issue

Vernier - Nitrate

Activity Overview

Key Steps

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