A spectrophotometer, also known as a spectrometer (spectrometer), is a scientific instrument that breaks down a complex composition of light into spectral lines.
Synthetic and semisynthetic machine lubricating/cutting oil formulations have included isopropanolamine, diisopropanolamine, and triethanolamine, together with nitrites; consequently the EPA has promulgated standards regarding the composition of cutting fluids. No additional uses were found in the literature.
Propylene glycol is an organic compound with the chemical formula C3H8O2, which is miscible with water, ethanol and a variety of organic solvents.
Under normal conditions, it is colorless viscous liquid, almost tasteless and slightly sweet.
Metronidazole, an organic compound with the chemical formula C6H9N3O3, is primarily used as an antibiotic and antigenic insecticide to treat or prevent systemic or local infections caused by anaerobic bacteria