pH meter work

https://drive.google.com/file/d/0BwXkgDfg2V13bmRITUZiZnQ1T1E/edit?usp=sharing

powerpoint from today

Helpful Websites

How recrystallisation works:

http://en.wikipedia.org/wiki/Recrystallization_%28chemistry%29

facstaff.uwa.edu/rcollison/crystallization.doc compound A and B are asprin and salicylic acid

http://www.wisegeek.org/what-is-recrystallization.htm#slideshow ignore the pictures


Melting point information:

http://www.chm.uri.edu/mmcgregor/chm228/use_of_melting_point_apparatus.pdf  ignore the second page

Procedure for sodium hydroxide titration

https://drive.google.com/file/d/0BwXkgDfg2V13aFcteDk0TGtCMEk/edit?usp=sharing

use with care - we did something slightly different