overhead stirrer w/out gas-tight adapter , Hive Chemicals & Equipment
 
    L_jamf 08-09-03 22:48
      <a href="https://www.the-hive.ws/forum/showflat.pl?Number=452719&page=29&view=&sort=5&Search=&vc=&new=&start=0&xrated=y&&URLForums=" title="Click here to show this downrated post">overhead stirrer w/out gas-tight adapter</a> <br> <i title="This post has been downrated by the moderators">(Rated as: UTFSE!)</i> </td> <td class="text_bg" align="right" valign="top">  <a href="https://www.the-hive.ws/forum/favorites.pl?Cat=&option=add&number=452719&Number=452719&page=29&view=&sort=5&part=&vc=&new=&backto=showflat" title="Add this post to your bookmark list in your Private Area">Bookmark</a>  </td> <td> </td> </tr> <tr class="text_bg"> <td align="left" valign="bottom"><img src="../forum/images/left_bottom.gif" border="0" height="12" width="9"></td> <td valign="middle" align="center" colspan="7"> </td> <td align="right" valign="bottom"><img src="../forum/images/right_bottom.gif" border="0" height="12" width="9"></td> </tr> <tr class="page_bg"> <td colspan="9"> </td> </tr> <td align="left" valign="top" class="text_bg"> <img src="../forum/images/left_top.gif" border="0" height="12" width="9"></td> <td colspan="7"><a name="Post452859"></a></a> </td> <td align="right" valign="top"><img src="../forum/images/right_top.gif" border="0" height="12" width="9"></td> </tr> <tr class="text_bg"> <td rowspan="2"> </td> <td rowspan="2"> </td> <td valign="top" align="center" rowspan="2"> abolt<br> <i>(<span title="The user's title at the time of posting">Hive Addict</span>)</i><br> <span title="Posting date">08-10-03 18:33</span><br> <span title="Link to this post by using the markup [452859]">No 452859</span><br> </td> <td rowspan="2">  </td> <td rowspan="2" width="1" class="vert_ruler"> <img src="../forum/images/hr.gif" border="0" width="1" height="1"> </td> <td rowspan="2">  </td> <td class="text_bg" align="left" valign="top"> <b title="The subject of this post">Place the stirrer shaft down through the ...</b> </td> <td class="text_bg" align="right" valign="top">  <a href="https://www.the-hive.ws/forum/favorites.pl?Cat=&option=add&number=452859&Number=452859&page=29&view=&sort=5&part=&vc=&new=&backto=showflat" title="Add this post to your bookmark list in your Private Area">Bookmark</a>  </td> <td> </td> </tr> <tr class="text_bg"> <td colspan="2" valign="top" align="left"> <br> Place the stirrer shaft down through the reflux condenser <br> <span title="The signature"><hr>Democracy is the name we give the people, whenever we need them.<br><a href="http://www.iraqometer.com/" target="_blank" title="Jump to this external site">http://www.iraqometer.com/</a></span> </td> <td> </td> </tr> <tr class="text_bg"> <td align="left" valign="bottom"><img src="../forum/images/left_bottom.gif" border="0" height="12" width="9"></td> <td valign="middle" align="center" colspan="7"> </td> <td align="right" valign="bottom"><img src="../forum/images/right_bottom.gif" border="0" height="12" width="9"></td> </tr> <tr class="page_bg"> <td colspan="9"> </td> </tr> <td align="left" valign="top" class="text_bg"> <img src="../forum/images/left_top.gif" border="0" height="12" width="9"></td> <td colspan="7"><a name="Post452872"></a></a> </td> <td align="right" valign="top"><img src="../forum/images/right_top.gif" border="0" height="12" width="9"></td> </tr> <tr class="text_bg"> <td rowspan="1"> </td> <td rowspan="1"> </td> <td valign="top" align="center" rowspan="1"> L_jamf<br> <span title="Posting date">08-10-03 19:07</span><br> </td> <td rowspan="1">  </td> <td rowspan="1" width="1" class="vert_ruler"> <img src="../forum/images/hr.gif" border="0" width="1" height="1"> </td> <td rowspan="1">  </td> <td class="text_bg" align="left" valign="top"> <b title="The subject of this post"> <a href="https://www.the-hive.ws/forum/showflat.pl?Number=452872&page=29&view=&sort=5&Search=&vc=&new=&start=0&xrated=y&&URLForums=" title="Click here to show this downrated post">that's a good idea (and i'm confident of it...</a> </b><br> <i title="This post has been downrated by the moderators">(Rated as: UTFSE!)</i> </td> <td class="text_bg" align="right" valign="top">  <a href="https://www.the-hive.ws/forum/favorites.pl?Cat=&option=add&number=452872&Number=452872&page=29&view=&sort=5&part=&vc=&new=&backto=showflat" title="Add this post to your bookmark list in your Private Area">Bookmark</a>  </td> <td> </td> </tr> <tr class="text_bg"> <td align="left" valign="bottom"><img src="../forum/images/left_bottom.gif" border="0" height="12" width="9"></td> <td valign="middle" align="center" colspan="7"> </td> <td align="right" valign="bottom"><img src="../forum/images/right_bottom.gif" border="0" height="12" width="9"></td> </tr> <tr class="page_bg"> <td colspan="9"> </td> </tr> <td align="left" valign="top" class="text_bg"> <img src="../forum/images/left_top.gif" border="0" height="12" width="9"></td> <td colspan="7"><a name="Post452879"></a></a> </td> <td align="right" valign="top"><img src="../forum/images/right_top.gif" border="0" height="12" width="9"></td> </tr> <tr class="text_bg"> <td rowspan="2"> </td> <td rowspan="2"> </td> <td valign="top" align="center" rowspan="2"> <font color="#ff0000">lugh</font><br> <i>(<span title="The user's title at the time of posting">Moderator</span>)</i><br> <span title="Posting date">08-10-03 19:21</span><br> <span title="Link to this post by using the markup [452879]">No 452879</span><br> </td> <td rowspan="2">  </td> <td rowspan="2" width="1" class="vert_ruler"> <img src="../forum/images/hr.gif" border="0" width="1" height="1"> </td> <td rowspan="2">  </td> <td class="text_bg" align="left" valign="top"> <b title="The subject of this post">Kyrides Stirrer</b> </td> <td class="text_bg" align="right" valign="top">  <a href="https://www.the-hive.ws/forum/favorites.pl?Cat=&option=add&number=452879&Number=452879&page=29&view=&sort=5&part=&vc=&new=&backto=showflat" title="Add this post to your bookmark list in your Private Area">Bookmark</a>  </td> <td> </td> </tr> <tr class="text_bg"> <td colspan="2" valign="top" align="left"> <br> Download Vogel's 3d edition from:<br><a href="../rhodium /vogel3.html" target="_blank" title="Jump to this external site">../rhodium /vogel3.<wbr>html</a><br>Then look on pages 68-9 for a description of the construction a Kyrides stirrer, which is even usable down to 10 mm of vacuum <img src="../forum/images/icons_lightgrey/smile.gif" alt="smile" title="Smile" heigth="15" width="15"> There's a design with pictures on Rhodium's page, at:<br><a href="../rhodium /equipment/overhead.html" target="_blank" title="Jump to this external site">../rhodium /equipme<wbr>nt/overh<wbr>ead.html<wbr></a> and <br>additionally there are many posts here and more files there such as <span title="Jump to this post"><a href="../DUMMY">Post 249543</a> <i>(lugh: "Re: Homemade Stirrer", Chemicals & Equipment)</i></span> & <span title="Jump to this post"><a href="../DUMMY">Post 265165</a> <i>(lugh: "Stirrer Construction", Chemicals & Equipment)</i></span> that may bee helpful if you are willing to <br><img src="../picproxie_docs/000452719-utfse.gif" target="_blank"><br><img src="../forum/images/icons_lightgrey/wink.gif" alt="wink" title="Wink" heigth="15" width="15"> <br> <span title="The signature"><hr>Chemistry is our Covalent Bond</span> </td> <td> </td> </tr> <tr class="text_bg"> <td align="left" valign="bottom"><img src="../forum/images/left_bottom.gif" border="0" height="12" width="9"></td> <td valign="middle" align="center" colspan="7"> </td> <td align="right" valign="bottom"><img src="../forum/images/right_bottom.gif" border="0" height="12" width="9"></td> </tr> <tr class="page_bg"> <td colspan="9"> </td> </tr> <td align="left" valign="top" class="text_bg"> <img src="../forum/images/left_top.gif" border="0" height="12" width="9"></td> <td colspan="7"><a name="Post453177"></a></a> </td> <td align="right" valign="top"><img src="../forum/images/right_top.gif" border="0" height="12" width="9"></td> </tr> <tr class="text_bg"> <td rowspan="2"> </td> <td rowspan="2"> </td> <td valign="top" align="center" rowspan="2"> <font color="#FF0033">Rhodium</font><br> <i>(<span title="The user's title at the time of posting">Chief Bee</span>)</i><br> <span title="Posting date">08-12-03 14:39</span><br> <span title="Link to this post by using the markup [453177]">No 453177</span><br> </td> <td rowspan="2">  </td> <td rowspan="2" width="1" class="vert_ruler"> <img src="../forum/images/hr.gif" border="0" width="1" height="1"> </td> <td rowspan="2">  </td> <td class="text_bg" align="left" valign="top"> <b title="The subject of this post">obviously inappropriate/incompatible equipment</b> </td> <td class="text_bg" align="right" valign="top">  <a href="https://www.the-hive.ws/forum/favorites.pl?Cat=&option=add&number=453177&Number=453177&page=29&view=&sort=5&part=&vc=&new=&backto=showflat" title="Add this post to your bookmark list in your Private Area">Bookmark</a>  </td> <td> </td> </tr> <tr class="text_bg"> <td colspan="2" valign="top" align="left"> <br> <font color="blue">my stirrer shaft is not long enough to accomodate that (it's 45 cm, and this is for a 3-necked 12L RBF). the stirrer pretty much has to be in the center neck (due to stirrer paddle being for a 12L RBF) and the condenser is on one of the side necks.</font color="blue"><br><br>You obviously have inappropriate/incompatible equipment and should do some shopping, rather than trying to reinvent the wheel. Such a mentality usually leads to reaction failures and/or glassware breakage. </td> <td> </td> </tr> <tr class="text_bg"> <td align="left" valign="bottom"><img src="../forum/images/left_bottom.gif" border="0" height="12" width="9"></td> <td valign="middle" align="center" colspan="7"> </td> <td align="right" valign="bottom"><img src="../forum/images/right_bottom.gif" border="0" height="12" width="9"></td> </tr> <tr class="page_bg"> <td colspan="9"> </td> </tr> <td align="left" valign="top" class="text_bg"> <img src="../forum/images/left_top.gif" border="0" height="12" width="9"></td> <td colspan="7"><a name="Post453336"></a><a name="last"></a></a> </td> <td align="right" valign="top"><img src="../forum/images/right_top.gif" border="0" height="12" width="9"></td> </tr> <tr class="text_bg"> <td rowspan="2"> </td> <td rowspan="2"> </td> <td valign="top" align="center" rowspan="2"> L_jamf<br> <i>(<span title="The user's title at the time of posting">Stranger</span>)</i><br> <span title="Posting date">08-13-03 08:15</span><br> <span title="Link to this post by using the markup [453336]">No 453336</span><br> </td> <td rowspan="2">  </td> <td rowspan="2" width="1" class="vert_ruler"> <img src="../forum/images/hr.gif" border="0" width="1" height="1"> </td> <td rowspan="2">  </td> <td class="text_bg" align="left" valign="top"> <b title="The subject of this post">thx for the input, y'all, but swim has ...</b> </td> <td class="text_bg" align="right" valign="top">  <a href="https://www.the-hive.ws/forum/favorites.pl?Cat=&option=add&number=453336&Number=453336&page=29&view=&sort=5&part=&vc=&new=&backto=showflat" title="Add this post to your bookmark list in your Private Area">Bookmark</a>  </td> <td> </td> </tr> <tr class="text_bg"> <td colspan="2" valign="top" align="left"> <br> thx for the input, y'all, but swim has succeeded with the stirrer (for now), despite the poorly chosen equipment. the improvised stirrer in<br><br><a href="../rhodium /equipment/overhead.html" target="_blank" title="Jump to this external site">../rhodium /equipme<wbr>nt/overh<wbr>ead.html<wbr></a><br><br>provided me w/ some inspiration (thx lugh) that got me through the stirring i needed to do.<br><br>on a more novel note, due to swim's friend not taking into consideration that the stirrer should be made of PTFE or glass (conc. HCl + stainless steel + hrs. of reflux -> corrosion), the stirrer paddle broke free during the reflux. swim suspected this would happen, and has decided to continue the reflux (w/out stirrer) to completion to see what comes out. swim has only another 14 hrs. to completion <img src="../forum/images/icons_lightgrey/tongue.gif" alt="tongue" title="Tongue" heigth="15" width="15"> (yawn!).<br><br>hopefully the clemmenson (spelling?) reduction will come out dandy (not in the British sense) irrespective of the stirring, but swim will try to UTFSE to determine that.<br><br>big money, no whammies, stop!<br>L-j <br> <span title="The signature"><hr>internal, eternal, exothermal, infernal burning, the present</span> </td> <td> </td> </tr> <tr class="text_bg"> <td align="left" valign="bottom"><img src="../forum/images/left_bottom.gif" border="0" height="12" width="9"></td> <td valign="middle" align="center" colspan="7"> </td> <td align="right" valign="bottom"><img src="../forum/images/right_bottom.gif" border="0" height="12" width="9"></td> </tr> <tr class="page_bg"> <td colspan="9"> </td> </tr> </body> </html>