Chapter 19 Laboratory: Qualitative Analysis 333CUTIOA nS
Concentrated hydrochloric acid is corrosive. Wear splash
goggles, gloves, and protective clothing.z
Species Flame color notesAmmoniumFaint green Masked by most other speciesAntimony Pale blue-green to blue Faint and easily maskedArsenic Light blue Faint and easily maskedBarium Pale green to yellow-greenBoron Bright greenCalcium RedCalcium compounds show brick-red to orange to yellow-orange;
masked by bariumCesium Pale violet Easily maskedCopper(I) BlueCopper(II) Green Copper(II) halides show blue-greenIron YellowLead Blue to blue-whiteLithium Crimson Masked by barium or sodiumMagnesiumBright whiteManganese(II)Yellow-greenMolybdenumYellow-greenPhosphatesBlue-green to blue When moistened with sulfuric acidPotassium Pale violet to lilacCrimson when viewed through cobalt glass; potassium compound
pink to lilac to violet; masked by sodium or lithiumSodium Bright yellowStrontium Scarlet Masked by bariumZinc Blue-green to green-whiteTABLE 19-1: Flame test colors by species