User:Matt Hartings/Notebook/Photosynthesis/2013/05/31

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==Objective==
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==POM synthesis==
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I took the solid Na<sub>12</sub>P<sub>2</sub>W<sub>18</sub>O<sub>62</sub> that I place in the oven [[User:Matt_Hartings/Notebook/Photosynthesis/2013/05/30|yesterday]] and pulled vacuum on it (using our lyophilizer -- pressure = 0.02 Torr). I left the sample under vacuum for 6 hours. After this time I collected and massed the remaining solid.
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Container Mass = 87.7106g
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Container + Solid = 139.7001g
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Mass of Na<sub>12</sub>P<sub>2</sub>W<sub>18</sub>O<sub>62</sub> = 51.989g
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The referenced paper, see [[Hartings_AU_Photosynthesis_Lab:Protocols/K6P2W18O62|here]] claims a 70g yield. We may approach that with the second recrystallization that is ongoing at 4C. I will isolate this material next week.

Revision as of 13:50, 31 May 2013

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POM synthesis

I took the solid Na12P2W18O62 that I place in the oven yesterday and pulled vacuum on it (using our lyophilizer -- pressure = 0.02 Torr). I left the sample under vacuum for 6 hours. After this time I collected and massed the remaining solid.

Container Mass = 87.7106g Container + Solid = 139.7001g

Mass of Na12P2W18O62 = 51.989g

The referenced paper, see here claims a 70g yield. We may approach that with the second recrystallization that is ongoing at 4C. I will isolate this material next week.



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