Page 223 - Reliance Foundation School Koparkhairane - School Magazine - Zenith 2021-22
P. 223

ORIGIN OF SOAPS  we spend a long time selecting one soap? How does one soap differ from the other?

            Nowadays soaps available in the market are chemically prepared substances. As
 Rakesh was playing on a playground with his   the chemical composition varies, the cleansing, texture, and smell of each soap
 friends;  on returning home he washed his   vary from one another.
 hands and feet with his favourite soap and
 went for eating food. Riya his younger sister   Soap chemistry has undergone drastic change post-independence. The growing
 was hungry as she was back from her school   population  and increasing  demands  have given a boost to the manufacturing
 and without washing hands, she sat for   industries. Soaps were classified under speciality chemicals. Nowadays we see a
 eating food. What difference does it make to   variety of soaps like baby soap, perfumed soaps, premium soaps etc. We also have

 wash hands  before  eating food? Cleaning   now liquid soaps used for shower wash and handwashing.
 hands helps us to keep germs away. Adjacent
 image shares information on how we should wash our hands.   Soaps are manufactured on an
            industrial scale as well as on a small           CH OCOR                 CH OH
                                                               2
                                                                                       2
 The image on the left shares when we should wash   scale. Below  is the  process of   CHOCOR  3NaOH  CHOH  3RCOONa  Heat
 our hands to keep ourselves germ-free. In the modern   manufacturing  soaps. This is an   CH OCOR  Sodium  CH OH  Soap
                                                                                       2
 world  of Artificial  Intelligence  (AI), why has   industrial  method  called  2  hydroxide  Glycerol
 self-cleanliness suddenly become a priority? Because   saponification  reaction. Soaps are   Triglyceride
 of the increase in a  variety of  diseases  spreading   prepared by alkaline hydrolysis  of
 globally.  triglycerides of fats and oils. As this leads to the preparation of soaps it is called a
            saponification reaction.
 When you ask any person around you, “how do we
 clean ourselves?” The immediate answer is by using        How soap shows cleaning action?  Soaps
 soap and water. On being asked, “which soap do you        consist of long carbon chain sodium salts

 use?” The  usual answers are Dettol,  Lux,  Santoor,      of acids. This carbon chain is hydrophobic
 Dove, etc. few of which are seen below in the image.      (water-hating) and the acid  terminal is
                                                           hydrophilic         (water-loving).          The
 Do you know what are the common ingredients of soap? The common answer is   hydrophobic part surrounds the dirt
 some essential oils, Sodium hydroxide (NaOH) and aromatic agents. Then why do   particle and the hydrophilic part gets
                                                           attracted towards the water and this helps
                                                           to clean the surface.  This process is called

                                                           micelle formation.  These soaps do not
            show effective action in hard water (Hard water is underground or river water
            which contains dissolved  calcium and magnesium salts). These calcium and
            magnesium salts  react  with soap and make  it ineffective for cleaning action.
            Natural and artificial soaps show effective cleaning action in pure water.
            Detergents are also effective in pure water.


            The year 2019 marked the spread of COVID and also with that an increase in the

            usage of soaps further stressing the importance of hygiene and cleanliness. Soaps are
            an effective and easily available way to clean ourselves and stay healthy and happy.


            Pratiksha Rajadhyaksha





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