Petroleum Ether 60 80 AR Grade, N Methyl 2 Pyrrolidone GC Grade, N Methyl 2 Pyrrolidone HPLC Grade, Dioctyl Sodium Sulphosuccinate, Orthophosphoric Acid AR Grade, Sodium Hydrogen Sulphate Monohydrate AR Grade, Cupric Nitrate Trihydrate AR Grade, Triton X 100 AR Grade, 4 Chlorobenzoic acid AR Grade, Trifluoroacetic acid AR, Dibutylamine AR, 1Heptanesulphonic acid Sodium Salt AR, Fluorescamine AR, Copper Standards for AAS 1000 mg per 1000ml, Arsenic Standards for AAS 1000 mg per 1000ml, Tin Standards for AAS 1000 mg per1000ml, Whatman Filter Paper No 1