Abstract:
Sovereign bar soap is the main product of BCC Lanka Limited and is a product of
hydrolysis of Oils and fats with sodium hydroxide. In soap industries there are
important quality characteristics to that must be monitor regulaily such as Total Fatty
Matter (TFM), Free Caustic Alkali (FCA) and Free Fatty Acid (FFA). These
characteristics mainly effect to the quality of the product. Sri Lanka Standards
Institution (SLSI) has provided with the standard requirements for the of Laundry
soap.
The above parameters were determined for a period of 3 months to ensure the quality
of the final product. TFM was analyzed using the ether extraction method Sri Lanka « Standards Institution (SLSI) protocol, FCA was analyzed using ethanol method Sri
Lanka Standards Institution (SLSI) protocol and FFA was analyzed as per Sri Lanka
Standards Institution (SLSI) protocol.
The results obtained were analyzed using MINITAB 14. According to the Wilcoxon
Signed Rank Test the test results revealed that Total Fatty Matter (TFM) - 59.31%,
Free Caustic Alkali (FCA) - 0.043%, Free Fatty Acid (FFA) - 0.56%.
The TFM and FCA results indicated that the producís are in line with the SLSI
standards, and FFA result is with that of the company standard.
