3,4,5-Trihydroxybenzoic acid,

Ammonium Thiocyanate

Vancomycin hydrochloride

Ammonium iron(II) sulfate hexa

Methyl Red

Methyl orange-xylene cyanol FF

PBS WITH BSA

Potassium sodium tartrate tetr

Ammonium Acetate

Oxalic acid dihydrate

Triethanolamine