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Lab Basics Technical Library


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Conversion charts:

  • Wire gauge conversion chart
  • Needle gauge conversion chart
  • Particle size/sieve mesh conversion chart
  • Basic Conversions (PDF, 229 KB)

Ring numbering:

  • Multiple ring numbering
  • Heterocyclic ring numbering

Miscellaneous tools:


Pressure-Temperature Nomograph Interactive Pressure/temperature nomograph Simplifies calculations with an interactive tool that allows you to quickly and easily estimate boiling points at various pressures

  • Concentrations of reagent-grade acids and bases
  • Properties of common solvents
  • Link: Aldrich Technical Bulletins
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