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Unknown White Compound Presentation

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by

Casey Lim

on 7 October 2013

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Transcript of Unknown White Compound Presentation

Unknown White Compound Presentation



Discussion
Limitations
Implications
Part III: Synthesis of Compound
Part II: Confirming Identity
Future Research
Procedures
Data
Impurity
Margin of Glassware
Flaw in Equipment
Industry Application
Water Treatment
Conductivity
Forensics
More Reaction Tests
To obtain Sodium Sulfate
Determining Identity of Compound
Based on Jim Harvey's speech structures
Casey Lim, Suliaman Boura, Tyler Fang, Giovanna Grigsby
Chem Lab 1411 Section: 112

Part 1: Identifying Compound (#18)
Flame Test
Solubility Test
Cation & Anion Test
Procedures
Data
Compound:


Sodium Sulfate

Procedures
Data

Part I
1. Flame Test: Orange; Sodium (cation)
2. Sulfate Anion Test: Positive (anion)
3. Solubility Test: Ionic & Polar
Part II
1. Conductivity Values: 4598 μS/cm VS. 4600 μS/cm
2. Reactivity Tests: Production of Calcium Sulfate (s)

Part III
1. 0.93 grams Sodium Sulfate obtained; 93% yield
2. Flame Test: Orange; Sodium
3. Conductivity Values: 4594μS/cm VS. 4600μS/cm
What's the exact concentration?
dilution
IR, UV, NMR, MS spectroscopy
Examining crystal structure
Further Questions
The End

How could we have reduced impurities in the final product?
Purpose
Part I: Determining Compound
Part II: Confirming Identity
Part III: Synthesis
Bibliography
Pictures:
http://www.vernier.com/products/sensors/con-bta/
http://www.angelo.edu/faculty/kboudrea/molecule_gallery/element078_platinum/flame_calcium_01.jpg
http://upload.wikimedia.org/wikipedia/commons/8/86/Sodium_sulfate.jpg
http://www.chemistryland.com/CHM130FieldLab/Lab4/BariumSulfate.jpg
http://0.tqn.com/d/chemistry/1/5/P/n/litmuspaper.jpg
http://zuber.jpsonline2.org/putti/labequip/Pages/1.html

Dissolve unknown solution in water and stir
Use nichrome wire to test color of flame by burning unknown compound
Chloride Anion
Sulfate Anion
Carbonate Anion
Conductivity Test
Three Reaction Tests:

External Sources
"All Reactions." Sodium sulfate Na2SO4. 04 Oct. 2013 <http://www.allreactions.com/index.php/group-1a/natrium/sodium-sulfate>

"How can you identify an unknown substance?" Oct. 2013 <http://misterguch.brinkster.net/identify.html>.

"Sodium sulfate." Wikipedia. 28 Sept. 2013. Wikimedia Foundation. Oct. 2013 <http://en.wikipedia.org/wiki/Sodium_sulfate>.

"Theory and Application of Conductivity." Jan. 2010. Emerson Process Management. Oct. 2013 <http://www2.emersonprocess.com/siteadmincenter/PM%20Rosemount%20Analytical%20Documents/Liq_ADS_43-018.pdf>.
Heat product and evaporate water
Using Sodium Sulfate
Full transcript