User:Anh Do/Notebook/CHEM 481 Polymer/2017/02/17: Difference between revisions
From OpenWetWare
| (One intermediate revision by the same user not shown) | |||
| Line 8: | Line 8: | ||
==Task List== | ==Task List== | ||
* Find swelling capacity of beads | * Find swelling capacity of beads | ||
* | * Soak the 10% beads in pH=1 solution (0.1M HCl) | ||
* Vacuum filtrate the 25% clay content beads | |||
==Swelling capacity of beads== | ==Swelling capacity of beads== | ||
* Vacuum filtrate the beads. Weigh them before and after | * Vacuum filtrate the beads. Weigh them before and after | ||
** Vacuum filtration did not dry the beads thoroughly enough. | |||
** Beads were placed in acetone to further remove water | |||
* 10% clay content | * 10% clay content | ||
** Mass of wet beads: | ** Mass of wet beads: | ||
** Mass of dry beads: 176.58-173.66 = 2.92 g | ** Mass of dry beads: 176.58-173.66 = 2.92 g | ||
*** Swelling capacity = (176.58-173.66) | *** Swelling capacity = (176.58-173.66) | ||
* | * Place dried beads in 0.1M HCl | ||
** | ** Measure pH | ||
** | ** Let them sit till Wednesday to find change in pH | ||
*** 10%: pH = 0.933 | |||
*** 25%: pH = 0.901 | |||
*** 40%: pH = 1.040 | |||
Revision as of 07:03, 22 February 2017
 Project name
|
<html><img src="/images/9/94/Report.png" border="0" /></html> Main project page <html><img src="/images/c/c3/Resultset_previous.png" border="0" /></html>Previous entry<html> </html>Next entry<html><img src="/images/5/5c/Resultset_next.png" border="0" /></html> |
Task List
Swelling capacity of beads
|
|
