Microbiology

The following list is an excerpt from our testing scope microbiology. We are gladly prepared to give you further information on specific analyses and projects. Feel free to call us or write to us!

In addition to the test reports we can issue expert's opinions for successful material testing. In these certificates, we evaluate and interpret the results of the examination with reference to the test report. The issuance of an expert's opinion is a separate order for our expert Dr. Derra.

  • Water

    • Analysis of drinking water e.g. for colony counts, coliform germs, Escherichia coli, Pseudomonas aeruginosa or legionella bacteria
      TrinkwV 2001 (Decree on drinking water), current state
    • Analysis of bathing water for Escherichia coli, coliform germs and intestinal enterococci
      EU Directive 76/160/EEC
    • Analysis of cooling tower waters for colony counts, Pseudomonas aeruginosa and legionella bacteria
      VDI 2047
  • Foodstuffs, hygiene and carcasses

    • Determination and quantification of various germs (e.g. overall germ count, Salmonella spp., Listeria monocytogenes, Escherichia coli, Enterobacteriaceae)
      Official collection of methods accoding to § 64 LFGB
    • Surface colony count on furnishings in the field of foodstuffs
      Official collection of methods accoding to § 64 LFGB
  • Medical devices

    • Total colony count determination (Bioburden)
      ISO 11737-1
    • Germ proofness properties of packaging materials
      ISO 11607-1, 5.2 and DIN 58953-6
  • Packaging materials

    • Determination of the transfer of antimicrobial constituents (inhibition zone)
      DIN EN 1104
    • Determination of the surface colony count of paper, board, plastics and packaging materials
      DIN 54378
    • Total colony count of paper and board
      DIN 54379
    • Determination of bacteria and their spores
      ISO 8784-1
    • Determination of specific microorganisms (indicator microorganisms) in paper and board
      various methods
    • Germ proofness under humidity and with air permeance
      DIN 58953-6
  • Materials testing

    • Influence of microorganisms on various materials, resistance / efficacy
      ISO 846
    • Efficacy testing of antimicrobially equipped materials (e.g. plastics, textiles, papers)
      z. B. AATCC 30 Test III, AATCC 100, AATCC 147, ASTM E 2149, ASTM E 2180, DIN 53931, DIN EN 1104, ISO 22196, JIS L 1902, JIS Z 2801
  • Hygiene monitoring

    • Surface colony count on furnishings and food contact materials
      Official collection of methods according to § 64 LFGB
    • Staff hygiene
    • Determination of microorganisms from ambient air
      Impaction method
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