The petroleum industry uses sulfuric acid in the alkylation process and in the refining of petroleum distillates for removal of sulfur and gum-forming compounds. Other important industrial applications consuming large amounts of sulfuric acid include steel pickling and the manufacture of titanium pigments, rayon, dyes, intermediates, and detergents. Hydrogen bromide is a colorless, corrosive, nonflammable gas with an acrid odor. HBr fumes in moist air forming clouds which have a sour taste. The acid produces fumes in moist air and has a strong choking odor.
Phosphoric acid is a dense, colorless liquid which is toxic and is a strong irritant to tissue.
Sulfuric acid is a strong oxidant, which is toxic, a strong irritant to tissue, very corrosive, and has a great affinity for water. This corresponds to 2.5 to 50. The upper range can be extended by sample dilution. Precision and Accuracy 3.1. Large quantities of any one analyte will cause some masking of some of the other peaks.