Bismuth is a naturally occurring, brittle metal. Bismuth-containing compounds can be found in a number of applications: as a pigment (Bismuth Oxychloride) in cosmetics and personal care products, and in Over-The-Counter (OTC) medicines (bismuth subnitrate) such as some used to treat gastrointestinal problems.ismuth Oxychloride may be safely used in coloring cosmetics and personal care products, including products intended for use in the area of the eye. It is not allowed to be used in lip products.
286 Section IIIL LB Agar, Miller â¢ LB Broth, Miller Intended Use LB Agar, Miller and LB Broth, Miller (Luria-Bertani) areused for maintaining and propagating Escherichia coli inmolecular microbiology procedures.
Urea broth is formulated to test for rapid urease-positive organisms. The restrictive amount of nutrients coupled with the use of pH buffers prevent all but rapid urease-positive organisms from producing enough ammonia to turn the phenol red pink. Important: In our lab, we only use the urease broth, not the agar.