dilutioncalculator.co.uk§ Verified 20 Jun 2026 · Reviewed by A. Hargreaves, MChem (Hons)

Sources

Every numeric claim and every BS EN reference on this site resolves to one of the entries below. The reviewer last re-verified the index on 20 Jun 2026.

§ 1Citation index

  1. [1] · BSI
    BS EN 1276:2019 · Quantitative suspension test, bactericidal activity
    https://www.bsigroup.com/en-GB/standards/bs-en-1276/
  2. [2] · BSI
    BS EN 14476:2019+A2:2019 · Virucidal activity
    https://www.bsigroup.com/en-GB/standards/bs-en-14476/
  3. [3] · Royal Society of Chemistry
    RSC Practical Chemistry Glossary
    https://www.rsc.org/cpd/teachers/content/filerepository/frg/pdf/Practical%20chemistry%20glossary.pdf
  4. [4] · Royal Society of Chemistry
    RSC Learn Chemistry · concentration teaching resources
    https://www.rsc.org/learn-chemistry/resource/res00001751/
  5. [5] · Royal Society of Chemistry
    RSC Learn Chemistry · molarity teaching resources
    https://www.rsc.org/learn-chemistry/resource/res00001752/
  6. [6] · IUPAC
    IUPAC Gold Book · volume fraction
    https://goldbook.iupac.org/terms/view/V06600
  7. [7] · IUPAC
    IUPAC Gold Book · molarity
    https://goldbook.iupac.org/terms/view/M03970
  8. [8] · IUPAC
    IUPAC Gold Book · dilution
    https://goldbook.iupac.org/terms/view/D01762
  9. [9] · IUPAC
    IUPAC Gold Book · pH
    https://goldbook.iupac.org/terms/view/P04524
  10. [10] · NICE
    NICE NG139 · Antimicrobial prescribing and infection control
    https://www.nice.org.uk/guidance/ng139
  11. [11] · NHS Scotland / HPS
    NHS National Infection Prevention and Control Manual
    https://www.nipcm.hps.scot.nhs.uk/
  12. [12] · HSE
    HSE L5 · COSHH Approved Code of Practice and guidance
    https://www.hse.gov.uk/pubns/priced/l5.pdf
  13. [13] · HSE
    HSE Pesticides · guidance and regulation
    https://www.hse.gov.uk/pesticides/
  14. [14] · Sigma-Aldrich
    Sigma-Aldrich molarity and dilution calculator notes
    https://www.sigmaaldrich.com/GB/en/support/calculators-and-apps/dilution-calculator-molarity
  15. [15] · National Physical Laboratory
    NPL Measurement units reference
    https://www.npl.co.uk/resources/measurement-units
  16. [16] · BIPM
    BIPM SI Brochure
    https://www.bipm.org/en/publications/si-brochure
  17. [17] · HMRC
    HMRC spirits strength tables
    https://www.gov.uk/government/publications/spirits-strength-tables
  18. [18] · Scotch Whisky Association
    Scotch Whisky Association · ABV and strength
    https://www.scotch-whisky.org.uk/insights/abv-and-strength/
  19. [19] · Pool Water Treatment Advisory Group
    PWTAG technical notes (pool water)
    https://www.pwtag.org/technical-notes/
  20. [20] · HSE
    HSE HSG179 · Managing health and safety in swimming pools
    https://www.hse.gov.uk/pubns/books/hsg179.htm
  21. [21] · UK Government
    Weights and Measures Act 1985
    https://www.gov.uk/government/publications/weights-and-measures-act-1985
  22. [22] · UK Health Security Agency
    UK Standards for Microbiology Investigations (SMI)
    https://www.gov.uk/government/publications/standards-for-microbiology-investigations-smi
  23. [23] · ECHA
    ECHA CLP pictograms
    https://echa.europa.eu/regulations/clp/clp-pictograms
  24. [24] · World Health Organization
    WHO Infection prevention and control guidance
    https://www.who.int/publications/i/item/9789241549929
  25. [25] · Royal Society of Chemistry
    RSC Continuing Professional Development resources
    https://www.rsc.org/membership/

§ 2Verification policy

Standards (BS EN, IUPAC Gold Book) are re-verified annually. Manufacturer SDS and product pages are re-verified at each portfolio refresh, currently quarterly. The verification stamp at the top of every page records the last date the reviewer signed it off.

§ 3Related

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