Lab report 14 - XRD

Lab report 14 - XRD - Ionic Crystals & X-Ray Diffraction...

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Ionic Crystals & X-Ray Diffraction (XRD Lab) Jesse LaSalle TA: Guang Li Experiment Completed: January 29, 2008 Report Submitted: February 5, 2008
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I) Purpose : To determine the identity, density, and cation-anion distance of an unknown ionic compound by analyzing an X-Ray powder diffraction pattern. II) Procedure : XRD – Ionic Crystals & X-Ray Diffraction. Page 19-23. III) Data : (See attached report forms.) IV) Calculations : Density of ionic solid: Part A: = d mv = v a3 = . - = . - v 7 736 x 10 83 4 6297 x 10 22 = + . = . . = . - / m 4Ag 4I6 02 x 1023 939 086 02 x 1023 1 5599 x 10 21g UC = . . . - = . / d 1 5599 x 10 214 6297 x 10 22 3 369g cm3 Φ 1 part B = - Φ tan 1XL = - Φ tan 192680 = . ° Φ 0 1924 λ G part B = * ( ) λ d sin Φ = *( . ) λ 189090 0 0026127549 = λ 494nm d value for peak #1 Part C: = * d λ2 sinθ = . * . d 1 541A2 sin13 05 = . . = . ≈ . d 1 541 4516025337 3 412292635 3 412 a value for peak #1 Part C: = + + ( ) a h2 k2 l2 dhkl 2 = + + ( . ) a 12 12 12 3 412 2 = . = . a
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This lab report was uploaded on 02/25/2008 for the course CHEM 122 taught by Professor Zellmer during the Winter '07 term at Ohio State.

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Lab report 14 - XRD - Ionic Crystals & X-Ray Diffraction...

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