Sodium HydroxideNitratesSodium NitriteNitritesCausticsAlkaliesBurns, ChemicalSodiumCalcium HydroxideAluminum HydroxideEye BurnsHydroxidesHairNitrate ReductaseHydrogen-Ion ConcentrationAmmonium HydroxideGas Chromatography-Mass SpectrometryMagnesium HydroxideSodium ChannelsChromatography, High Pressure Liquid