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Open Colorimeter test

A collection of 5 posts
Ammonia, nitrate and nitrite Open Colorimeter assays for water quality testing
Newsletter

Ammonia, nitrate and nitrite Open Colorimeter assays for water quality testing

Testing three water quality tests for the Open Colorimeter. These assays are ammonia, nitrate and nitrite.
Nov 2, 2022 3 min read
Nitrate-API colorimetric assay
Tutorials

Nitrate-API colorimetric assay

Colorimetric assay for measuring nitrate levels using API test kit. Range: 0-50ppm
Nov 1, 2022 2 min read
Ammonia-API colorimetric assay
Tutorials

Ammonia-API colorimetric assay

Colorimetric assay for measuring ammonia levels using API test kit. Range: 0-8ppm
Nov 1, 2022 2 min read
Nitrite-API colorimetric assay
Tutorials

Nitrite-API colorimetric assay

Colorimetric assay for measuring nitrite levels using API test kit. Range: 0-2ppm
Nov 1, 2022 2 min read
Measuring blue food dye in sports drinks
Tutorials

Measuring blue food dye in sports drinks

Goal: Use the Open Colorimeter to experimentally calculate the molar extinction coefficient of FD&C Blue #1 Beer’s Law states that absorbance of a sample (Abs) depends on the molar concentration (c), light path length in centimeters (l), and molar extinction coefficient (ε) for the dissolved substance at the
Oct 3, 2022 3 min read
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