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2. List of reagent testing color charts - Wikipedia

   en.wikipedia.org/wiki/List_of_reagent_testing...

   Reagent test Alcohols: Forms Lucas test in alcohols is a test to differentiate between primary, secondary, and tertiary alcohols. Alkaloids: Forms Froehde Liebermann Mandelin Marquis Mayer's Mecke Simon's: Amines, and amino acids: Forms Folin's: Barbiturates: Class Dille–Koppanyi Zwikker: Benzodiazepines: Class Zimmermann: Phytocannabinoids ...

3. APHA color - Wikipedia

   en.wikipedia.org/wiki/APHA_color

   APHA color, also referred to as the Hazen scale, and more appropriately as the Platinum Cobalt(Pt/Co) scale, [1] is a color standard named for the American Public Health Association and defined by ASTM D1209. [2] It was originally intended to describe the color of waste water, but its usage has expanded to include other industrial applications ...

4. Colorimetric analysis - Wikipedia

   en.wikipedia.org/wiki/Colorimetric_analysis

   Colorimetric analysis is a method of determining the concentration of a chemical element or chemical compound in a solution with the aid of a color reagent.It is applicable to both organic compounds and inorganic compounds and may be used with or without an enzymatic stage.

5. Do filtered showerheads really work? Experts weigh in - AOL

   www.aol.com/news/filtered-showerheads-really...

   It’s best to get your water tested by an EPA-registered lab, although you can buy at-home water test kits. At-home kits can’t give you in-depth information and tend to be much less accurate ...

6. File:RGB 24bits palette color test chart.png - Wikipedia

   en.wikipedia.org/wiki/File:RGB_24bits_palette...

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7. List of colors (alphabetical) - Wikipedia

   en.wikipedia.org/wiki/List_of_colors_(alphabetical)

   This is an accepted version of this page This is the latest accepted revision, reviewed on 14 December 2024. For other color lists, see Lists of colors. This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources: "List of colors" alphabetical ...