<actionList title="preparation of silanols">
  <p>This is a conversion of a chemical synthesis to STMML. We
  have deliberately not marked up the chemistry in this example!</p>
  <action title="step2">
    <p>Take 1 mmol of the diol and dissolve in dioxan in 
      <object title="flask">
        <scalar title="volume" units="units:ml">25</scalar>
      </object>
    </p>
  </action>
  <action title="step2">
    <p>Place flask in water bath with magnetic stirrer</p>
  </action>
  <!-- wait until certain condition -->
  <actionList endCondition="bath temperature stabilised"/>
  <action title="step3">
    <p>Add 0.5 ml 1 M H2SO4</p>
  </action>

  <!-- carry out reaction -->
  <actionList endCondition="reaction complete; no diol spot remains on TLC">
    <actionList title="check tlc">
      <!-- wait for half an hour -->
      <action duration="half an hour"/>
      <action title="tlc">
        <p>extract solution and check diol spot on TLC</p>
      </action>
    </actionList>
  </actionList>
  
  <!-- work up reaction -->
  <action title="step5">
    <p>Add 10 ml water to flask</p>
  </action>
  <action title="step6">
    <p>Neutralize acid with 10% NaHCO3</p>
  </action>
  <action title="step7" count="3">
    <p>Extract with 10ml ether</p>
  </action>
  <action title="step8">
    <p>Combine ether layers</p>
  </action>
  <action title="step9" count="2">
    <p>Wash ether with 10 ml water</p>
  </action>
  <action title="step10">
    <p>Wash ether with 10 ml saturated NaCl</p>
  </action>
  <action title="step11">
    <p>Dry over anhydrous Na2SO4 and remove solvent on rotary evaporator</p>
  </action>
</actionList>