Investigatory Project
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Mollusk Shell-Based Adhesive as Mortar

The study aims to determine the feasibility of using mollusk shellbased adhesive as a substitute for mortar.

The mollusk shell-based adhesive was made from combining powdered mollusk shells and tackifier in an elastomer and toluene mixture. Different adhesives were made using variated concentrations of the two tackifiers (sodium silicate and polyvinyl acetate) and two elastomers (neoprene WHV and neoprene AG). Randomly chosen samples from each combination were tested for shear strength at the Standards and Testing Division of the Department of Science and Technology (STD, ITDI, DOST Bicutan).

 
Alternative Methods of Producing Iodized Salt

Due to the high incidence of iodine deficiency diseases (IDD) in the Philippines, iodized salt has become quite popular on the market. The aim of this research project is to discover different methods of making cheap and accessible iodized salt. Different gadgets were designed to mix the salt and potassium iodate (KIO3) adequately. The iodometric titration method was used to test for the iodine content of the manufactured salt. To prove the efficiency and consistency of the gadget, the Analysis of Variance (ANOVA) test was performed. It has been shown that the iodine has been evenly distributed at 100 ppm, which is the standard amount.

 
Liquid Crystals from Coconut Oil Fatty Acids

Liquid crystals are fluids that are between the solid and conventional liquid phases. Liquid crystals are in widespread use, especially in optical technologies. They are synthesized by combining fatty acids with cholesterol.

This study aims to utilize coconut oil as an alternative source of fatty acids for synthesizing liquid crystals since coconut is cheap and abundant in the Philippines. Coconut oil is 85 percent fatty acid.

 
Seaweed Chips Nutritional Snack Food

There is an abundance of snack foods in the market today, but few incorporate substantial nutrients. Since this kind of food is popular to the young, the group ascertained that a nutritious alternative would be inevitable. The group chose Eucheuma cottonii, a kind of seaweed, to produce a snack food. Seaweed is high in iodine.

 
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