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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/HF/1/3/2/15/28" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letter from Howard Walter Florey to N G Heatley (Rahway)</dc:title>
  <dc:description>Discusses experiments with steep liquor and removal of emulsifying agent with tannic acid - notes changes made in production methods - gives details of dilution tests on standard preparations - gives Wilkins method of assay - are getting fine results from local application of penicillin - Squibb are having production difficulties - comments on an experiment with capsules - gives details of their purest penicillin.</dc:description>
  <dc:date>6 February 1942</dc:date>
</rdf:Description>