Ammonium oxalate monohydrate
Silica gel self indicator
Sulfuric acid 68%
Magnesium oxide (light)
Sodium phosphomolybdate
n-Heptane
Toluene
Silver sulfate
Span 40
Boric acid
Coumarin
Cobalt(II) chloride hexahydrate
GN enrichment broth
Zirconium dioxide
Sodium permanganate solution 40%
Ammonia solution
Copper(II) sulfate solution
Sodium hydrogen sulfate anhydrous
Humic acid
Potassium iodide
Potassium carbonate anhydrous