Chrome alum - Wikipedia
Chrome alum or Chromium(III) potassium sulfate is the potassium double sulfate of chromium. Its chemical formula is KCr(SO 4 ) 2 and it is commonly found in its dodecahydrate form as KCr(SO 4 ) 2 ·12(H 2 O).
What Is Alum and How Is It Used? - ThoughtCo
2024年5月5日 · Chrome Alum: Chrome alum or chromium alum has the formula KCr (S O 4) 2 ·12H 2 O. This deep violet compound is used in tanning and can be added to other alums to grow lavender or purple crystals. Selenate Alums: Selenate alums occur when selenium takes the place of sulfur so that instead of a sulfate you get a selenate, (SeO 42-).
How to Grow Purple Chrome Alum Crystals - Science Notes and …
2021年5月24日 · Chrome alum (chromium alum) is a safe salt that produces beautiful natural purple crystals. The octahedral crystals are easy to grow, plus you can control how dark they are, to produce crystals ranging from pale lavender to deep amethyst purple.
Chemistry of Chromium - Chemistry LibreTexts
2023年6月30日 · However, if you crystallise it, instead of getting mixed crystals of potassium sulfate and chromium(III) sulfate, the solution crystallizes as single deep purple crystals. These are "chrome alum". Chrome alum crystals can be made by reducing acidified potassium dichromate(VI) solution using ethanol, and then crystallizing the resulting solution.
Chrome alum - Simple English Wikipedia, the free encyclopedia
Chrome alum, also known as chromium potassium sulfate, is a chemical compound. Its chemical formula is KCr (SO 4) 2. It contains chromium, potassium, and sulfate ions. The chromium is in its +3 oxidation state. It is a dark purple solid. It is normally attached to extra water molecules. It dissolves in water.
Alum: Properties, Types, Amazing Applications - Science Info
2023年8月9日 · Chrome alum is a deep violet substance that is frequently utilized in tanning procedures. Furthermore, it can be employed as an additive to various alum compounds, leading to the formation of lavender or purple crystals.
Grow Purple Chrome Alum Crystals - Simulated Amethyst
2019年2月12日 · Learn how to grow purple chromium alum crystals and how to grow clear crystals over a core of colored crystals.
JEE : Structure, Properties, Uses of Alums - Unacademy
Chrome Alum – The abbreviation CAS stands for chromium alum. It has the chemical formula KCr(SO 4 ) 2 .12H 2 O and is also known as chromium alum. It has a molar mass of 283.22 g/mol and is also known as chromium aluminium sulphate.
Discovery, properties and applications of chromium and its …
2015年2月13日 · The basic properties of chromium are described, subsequently the discovery of chromium ores and the various methods of producing metallic chromium. How native chromium is formed and why the gemstone ruby has a connection to chromium are the following topics.
Amazon.com: Chrome Alum
Dixon 1/4" FNPT Chrome Plated Alum Body, Typhoon Blow Gun w/24" Extension (TYP2501-24)