LUGOL, solution, 1%, 1 l, bot.


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LUGOL, solution


Lugol solution for the examination of nuclei of amoebae in stools.


Lugol's solution; Gram iodine; Potassium iodide solution, aqueous iodine solution


Technical specifications

  • Ready to use solution: 1% or diluted 0.3%
  • Composition 1%:
    • Iodine (I2) ~3.3g/l
    • Potassium iodide (KI) ~6.7% g/l
    • Distilled water (H2O)
  • Quality: for microscopy
  • The 1% solution has to be diluted 1:3 or 1:5 before use.

Packaging & Labelling

1 litre brown glass or plastic bottle

Instructions for use

  • Dilute the 1% solution: 1:3 or 1:5 with distilled water
  • The solution of 0.3% is ready to use

Please consult the “Updated laboratory procedures, 2022” or “Bacteriology laboratory procedures and resources“ available online via the Laboratory working Group sharepoint page: Laboratory Procedures and Resources.

For offline access, contact your laboratory advisor.


  • Protect from sunlight
  • Store at room temperature between 15-25°C
  • No expiry date. Do not use if precipitates are found in the bottle.

Waste management

Substance with hazardous characteristics. Please contact your watsan referent for advice on proper disposal.

Detailed hazard and precautionary information can be found in the safety data sheet (SDS).

Classification EC Regulation N° 1272/2008

Please check the SDS sheet supplied with the product!

  • Acute toxicity, Dermal, Category 4, H312
  • Acute toxicity, Inhalation, Category 4, H332
  • Hazardous to the aquatic environment, Category 1, H400

Signal Word


Image Image
H312Harmful in contact with skin.
H332Harmful if inhaled.
H400Very toxic to aquatic life.
P273Avoid release to the environment

MSF requirements

Microscopic examination of nuclei of amoebae in stools.

To be used in bacteriology programmes.

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