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Recent content by scchemeng

  1. scchemeng

    Career choice: mechanical engineering or concrete construction

    I was in a similar situation ten years ago. When I graduated from high school I was all set to attend school on an ROTC scholarship and was to pursue a degree in aeronautical engineering. Six weeks prior to the start of the semester, I was medically disqualified and my scholarship was...
  2. scchemeng

    ERP Software

    I work for a small specialty chemical company. Everything is a batch process and about 50% of our products are custom or toll work for other companies. We have been using custom DOS based software for inventory, shipping, QC, batch sheets, MSDS, order entry and a few other miscellaneous...
  3. scchemeng

    HYDROLISIS OF ESTER OF HIDROGENATED ROSIN

    I'm not exactly sure what you are asking, but the simplest way to undo an ester is via saponification. If you can be more specific as to what your ester is and what you are concerned with recovering (alcohol, fatty acid or both) I can give you far more specific instructions.
  4. scchemeng

    Cooling coil corrosion in 316L reactor

    We have several reactors made of 316L SS. One of our new reactors is exhibiting significant corrosion on the cooling coils inside the reactor, which is not evident on the rest of the reactor or any of the other reactors. There aren't any products that are unique to this reactor. The...
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