Reagents are a type of chemical which react to a specific compound, typically changing color or opacity when that compound is present. Usually, you add a few drops of a reactive chemical into a container of your sample, and look for a color change. Some reagents are dried onto flat strips or put inside glass tubes (for air testing).

Questions

Title	Author	Updated	Likes
Does the Beer Lambert law apply to the opacity of reagents?	@warren	11 months ago	0

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Activities

Reagents are a really broad category, but some techniques related to them may be usable for various target chemicals.

Purpose	Category	Status	Author	Time	Difficulty	Replications
Detecting Pesticides in Organic and Conventional Raspberries using Open Source Instrumentation	-	-	@silverhammer	-	hard	0 replications: Try it »

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Additional work

Title	Author	Updated	Likes
How can we detect contaminants in water samples with a DIY spectrometer using reagents?	@warren	10 months ago	0
Draft: Find the concentration of a liquid with a DIY spectrometer	@warren	11 months ago	1
Does the Beer Lambert law apply to the opacity of reagents?	@warren	11 months ago	0
Question: Can DIY-spectrometer be used for analysis of soil	@interestedperson_ha New Contributor	over 2 years ago	1
Evaluation of Pesticide Residues in Organic Raspberries using Different Extraction Solvents	@silverhammer	over 4 years ago	2
Detecting Pesticides in Organic and Conventional Raspberries using Open Source Instrumentation	@silverhammer	over 4 years ago	9
Reagent-based PAH, VOH, PCB testing kits for soil and water, with pricing	@warren	almost 5 years ago	0