The cross section of the fibres changes from kidney shaped to circular. This is because the fibres swell markedly when treated with a concentrated sodium hydroxide solution.

The adsorption isotherm of cetane pyridine chloride in sodium hydroxide solution on aluminium surface has been measured by corrosion weight losses and its corrosion inhibition has been investigated.

Conclusion HCl may intensify the spontaneously contractive activities of the smooth muscle in the duodenum and jejunum superior section of Guinea Pig and NaOH diminish those of the jejunum and ileum.