Sodium HydroxideHydrochloric AcidCausticsAlkaliesBurns, ChemicalCalcium HydroxideAluminum HydroxideEye BurnsHydroxidesHairHydrogen-Ion ConcentrationSodiumAmmonium HydroxideGas Chromatography-Mass SpectrometryPneumonia, AspirationMagnesium HydroxideNitric AcidChromatography, High Pressure LiquidGastric Juice