Removal of Acids
Fruit acids and all others, except nitric acid may be removed by putting ammonia on the spot. This will neutralize the acid, forming a salt which may be either brushed or washed off. In the case of nitric acid the fibers of the cloth are actually destroyed and no amount of ammonia will restore the original condition of the fabric.
Remove a stain of orange juice from a dress or shirt waist.
Removal of Blood
Blood stains may be removed from a fabric by washing with cold or tepid water. Never use hot water, as hot water coagulates the albumen of the blood. After removing the blood soap and warm water may be used. In case the fabric is a thick cloth, the blood may be removed by applications of moist starch.
Take different samples of fabrics and soil them with fruit acids, soup, wheel grease, ink, and blood and remove them. Exercise great care so as not to leave a mark or remove the coloring.
Remove blood from a fabric.
Questions
1. What is a solvent? an absorbent?
2. What is the best solvent to be used in removing stains from silks, coarse goods, and linens? from delicate silks?