Lab report 2

Lab report 2 - Chemistry 1045 Lab Section 6 A Title...

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Chemistry 1045 Lab Section 6 A. Title : Experiment 9: Atomic Spectra and Atomic Structure, March 31, 2010 B. Purpose : To gain some understanding of the relationship between emission spectra and atomic spectra. C. Procedure : You will obtain the emission spectra of the ions of each of the elements listed in the preceding discussion. You will use a Bunsen burner as an excitation source and observe the gross color imparted to the flame by these ions. With this information you will determine the contents of two unknown solutions—one containing only one of these metal ions, and the other a mixture containing two or more of these ions. There are two ways to introduce the metal ions into the flame. First, you can use a wire loop to pick up a drop of the metal-ion solution and then place the drop into the flame for vaporization. This method is simple and inexpensive, but it produces only a brief burst of color before the sample evaporates completely. Second, you can introduce a fine mist of sample into the flame by
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Lab report 2 - Chemistry 1045 Lab Section 6 A Title...

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