CHAPTER   ONE

1.0     INTRODUCTION

1.1     BACKGROUND

Soap is the earliest detergent know to man and apparently was first made by the Romans from animal fats and oil and wood ash which is an alkali that contains potassium carbonate, sodium, potassium hydroxide called potash leached from the wood ash (Robert, 1994).  It is also an unsaturated ester since an ester can be split into an alcohol and a carboxylic acid by hydrolysis.  Meaning that it does not contain all the solutes that can be dissolve at a particular temperature (Kirt Othmer, 1994).  Also soap is a metallic salt of a fatty acid because if a metallic base is used in the hydrolysis instead of water, the metallic salt of the carboxylic acid is obtained, not the acid because carboxylic acid are weak acid which dissociates only slightly in solution

(Hou, 1992).

1.2     Soap can be defined as the sodium or potassium salt of fatty acids, made by heating fats and oil with caustic soda or caustic potash respectively (Cook 1990).

Most soap was manufactured by an alkaline hydrolysis reaction called the Saponification, which is the reaction of fats and oil with alkali.

C3H5 (COOR)3   +   3KOH                3KOOCR   +   C3H5  (OH)

(where R – represent the hydrocarbon chain) also according to the equation above, soaps was made in huge keittes into which fat and oil and alkali were piped and heated until it boils vigorously.

Saponification is the process used in making soap since ancient times, soaps have been made from vegetable and animal oil and fats looked in alkali (Kott, NaoH) (Steiner, 1990).  Soap and detergent are both cleaning agents and both work in the same way, but soap cleanse with the natural occurring materials such as animal fat and wood ash.

1.3     TYPES OF SOAP

In the world of soap manufacturing, there are basically three types of soap, under them they are classified according to their categories:

(1)     Foreign Soap

          These are soap that is medically investigated to cure a skin diseases.  Examples:

(a)      Medicated soap

          i.        Antiseptic soap

          ii.       Germicidic soap

          iii.      Herbal soap

(b)     Tablets Soap

These are soap that is operated and purified, dyes and perfumed added, to make the skin mild.

          Example:     i.        Toilet Soap

                             ii.       Bar Soap

(c)      Local Soap

These are meant for a purpose not medically investigated but meant for cleaning ability.

a.       Black soap

b.       Sida Soap.

But here we are basically on the one made from Local raw material, which is the black soap (Ncha Nkota).

1.4     AIM AND OBJECTIVES

I.       AIM

          Preparation of soap using local raw materials.

II.      OBJECTIVES

1.       To prepare local soap with woodash derived from the calyx and the corolla of palm flower (Ejeasis Guineensis), which serves as an alkali.

2.       To know the trees in which caustic alkali can be obtained apart from palm tree (Eleasis Guineensis).

3.       To improve the properly preparation of local soap and high quality local soap.

4.       To educate some illiterate local soap producers on how to set a standard in the production of local soap and still retain its effectiveness and for a wider acceptability.

5.       To create awareness on the need and importance of locally made soap analysis.

6.       To make known to or enlighten especially the local soap producers (both urban and rural manufacturers) on the best and exact quantity or raw materials and methods to use to achieve better results in their products.

7.     This research project could as well as form basis for further research work on local soaps analysis in this institution.

1.5     STATEMENT OF PROBLEMS

The problems why people are no longer interested in the local soap is because it causes irritation of the skin; Reason, because they are not medically investigated and are not dirtiness causes dust, grief and stiffs on fabrics in the heading process becaus3 of the inaccurate measurement of the alkali and inability to bring out the purest form of the alkali.  Also some smokes and wood particles enter into the pot of soap on stirring because of inability to maintain a hygienic on cooking and on stirring.

1.6              HYPOTHESIS

H1              :         Raw Materials can be used in making local soaps

Ho              :         Raw materials can not be used in making local soap.

1.7     SIGNIFICANCE

This soap includes “Builders” as alkaline compound, which improve the cleansing efficiencies, example, in washing of cloth, washing of plate and washing of kitchen utensils. 

1.8     LIMITATION OF THESE STUDIES

This research work is limited by the extraction of alkali to manufacture good quality local soap with the leaching process and filtration method and it’s cr6stallization.

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