Soda Ash Lab Report

In order to do this experiment we had to prepare by buying our supplies, and follow some safety steps. We had to use some safety gloves when handling soda ash because if we ate after handling it we could of gotten very sick. Also any supplies that came in any contact with the soda ash couldn’t be used for food after. Also we had to buy different types of fabric, cut them into 20 by 20 cm squares and label them. We had to buy some dye in order to find out how each fabric reacted to it. We used three squares of each of out five fabrics, our fabrics were cotton, linen, poly cotton, polyester, and nylon. Then you had to wash them in the washing machine for approximately thirty- eight minutes, with one fourth cup of Tide Simply fresh and Clean detergent, Then the materials dried over night, for the best results.

The next day we put them in a sixteen ounce glass jar with the dye and two tablespoons of Dylon Tulip Red Permanent Fabric

Today 's dyes are also different they are often made by chemists. The chemist can do that because of the technology we have now, we can understand how the dye reacts with the molecules inside the different materials. Also the chemist can design dyes that don’t fade away or come off in the washing machine.

In addition to what type of material they are made from, another way to categorize fibers is by their chemistry. Cotton and linen fibers are cellulose-based. Wool and silk are both animal-protein-based natural fibers. Wool is made from the hair of sheep, and silk is made from silkworm cocoons. Some dyes react best with cellulose-based fibers, forming permanent covalent chemical bonds with cellulose, while others react better with protein-based fibers. In addition, some synthetic fibers are chemically similar to certain natural fibers, this affects which dyes react best with the different synthetic