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  2. List of reagent testing color charts - Wikipedia

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

    It is advised to check the references for photos of reaction results. [1] Reagent testers might show the colour of the desired substance while not showing a different colour for a more dangerous additive. [2]

  3. Chromium compounds - Wikipedia

    en.wikipedia.org/wiki/Chromium_compounds

    Commercially available chromium(III) chloride hydrate is the dark green complex [CrCl 2 (H 2 O) 4]Cl. Closely related compounds are the pale green [CrCl(H 2 O) 5 ]Cl 2 and violet [Cr(H 2 O) 6 ]Cl 3 . If anhydrous violet [ 10 ] chromium(III) chloride is dissolved in water, the violet solution turns green after some time as the chloride in the ...

  4. Chromium(III) oxide - Wikipedia

    en.wikipedia.org/wiki/Chromium(III)_oxide

    It is used in paints, inks, and glasses. It is the colorant in "chrome green" and "institutional green." Chromium(III) oxide is a precursor to the magnetic pigment chromium dioxide, by the following reaction: [8] Cr 2 O 3 + 3 CrO 3 → 5 CrO 2 + O 2

  5. Chromium - Wikipedia

    en.wikipedia.org/wiki/Chromium

    It was found that an easily oxidized alcohol was an essential ingredient. A thin layer of about 10–15 μm was applied, which turned from yellow to dark green when it was cured. There is still a question as to the correct mechanism. Chrome green is a mixture of Prussian blue and chrome yellow, while the chrome oxide green is chromium(III ...

  6. The history and meaning behind Women's History Month colors

    www.aol.com/news/history-meaning-behind-womens...

    Here's the history and meaning behind Women's history month colors: purple, green, white and gold. Experts explain the fascinating origins.

  7. Chromium (III) fluoride - Wikipedia

    en.wikipedia.org/wiki/Chromium(III)_fluoride

    Chromium(III) fluoride is an inorganic compound with the chemical formula Cr F 3.It forms several hydrates.The compound CrF 3 is a green crystalline solid that is insoluble in common solvents, but the hydrates [Cr(H 2 O) 6]F 3 (violet) and [Cr(H 2 O) 6]F 3 ·3H 2 O (green) are soluble in water.

  8. Chromium(III) nitrate - Wikipedia

    en.wikipedia.org/wiki/Chromium(III)_nitrate

    Most common is the dark violet hygroscopic solid. An anhydrous green form is also known. Chromium(III) nitrate compounds are of a limited commercial importance, finding some applications in the dyeing industry. [2] It is common in academic laboratories for the synthesis of chromium coordination complexes.

  9. Red Dye 3 Just Got Banned. These Are the Foods to Avoid If ...

    www.aol.com/red-dye-3-just-got-134800003.html

    That said, Vanessa Rissetto, R.D., co-founder of the virtual nutrition care service Culina Health, believes the FDA's move is a positive step forward."Early-stage cancers are on the rise across ...