MadSci Network: Chemistry

Re: How can I detect Iron (III) chloride in solution ?

Date: Wed Jun 28 12:35:06 2000
Posted By: Gabriel Harris, Grad student, Food Science and Technology, The Ohio State University
Area of science: Chemistry
ID: 962120064.Ch


The best way to measure the level of most minerals, including iron and chloride, is by a process called Inductively Coupled Plasma, or ICP for short.

Basically, ICP works by sending a fine spray of a mineral solution into a chamber filled with hot gas. The gas "excites" the minerals, causing them to give off energy at a certain wavelength (each mineral gives off its energy at a specific wavelength). The strength of the energy given off indicates how much of a mineral is contained in solution.

I have included the URL for a site which describes how this process works and includes pictures of the process.



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