Analysis Of A Soap Product (Lux)

Project and Seminar Material for Science Laboratory Technology SLT

Analysis Of A Soap Product (Lux)


The soap that is used for the analysis is Lux. The analytical tests carried out on the soap are moisture content and free caustic alkali. For the determination of the moisture content, the materials and reagent that was used are:

  1. The Porcelain dish
  2. Glass rod and
  3. Hot air oven

The reagents are:

  1. The petroleum spirit and
  2. Sodium acetate

For the determination of the free caustic alkali, the material and reagent that was used are:

  1. Beaker
  2. Clam and Stand conical flask
  3. Pipette Separating funnel
  4. 95% ethanol
  5. Ph enophthalein indicator
  6. Barium chloride and
  7. Hydrochloric acid

After the analysis, it was observed that the percentage of water content was 20%, while the free caustic alkali was 0 ” 05%. Also after the analysis, it was found that soap that contains high caustic alkali will cause rashes and irritation of the skin. And the one that contain high moisture will now shrink and will not fume well. The soap (Lux) Analysed will be used for washing and general removal of dirty. It will also enhance removal of dirty. It also reduces the surface tension, and serves to remove odour and greasy surfaces.

Chapter Five

5.0 Conclusion and Recommendation

From the analysis made and the results, it can be concluded that lux soap is of standard in some parameter. Again it can be seen that lux has more quality when compared with some other soaps; this is because of its high free caustic alkali, which makes it to give a stable lather. Again its low moisture content makes it more durable and economical, and also makes it very soft on the skin.

Also after the analysis, it was discovered that the NAFDAC number of lux is the same with those ones sold in Nigerian market, which is 02-1526.

In spite of the Excellency of the soap, there are solid dirt’s and greasy dirt’s for example soot’s for solid dirt’s. It has disadvantage that precipitation of calcium and magnesium soap occurs when dissolved in hard water. This is not only wasteful of soap but the deposition of insoluble soaps on textile fibres may lead to poor laundering and uneven dyeing. In addition, soap cannot be used in the presence of acid owing to its conversion into fatty acid.
Therefore, it is recommended that for future work on this, our industries should work to the agreed specifications and government should look into the problems of industries and give immediate attention to it.

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