potassium bisulfite molecular structure 3d, flat model, sterilising agent e228, structural chemical formula view from a microscope

potassium bisulfite e228 sterilising agent hydrogen sulfite mixture of salts molecule molecular structure chemical formula 3d model khso3 atom chemistry lye drawing skeletal supplement compound additive icon sulfur food preservative composition allergy line salt flat atomic science bisulphite sulfurous laboratory package substance reagent medical medicine packaging research