&#160;                                              <span class="stringliteral">&#39;RB&#39;</span>,  <span class="comment"># rubidium ion</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;                                              <span class="stringliteral">&#39;IOH&#39;</span>,  <span class="comment"># 2-propanol, isopropanol</span></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;                                              <s