title: Determination of particulate phosphorus by alkaline persulfate digestion.
mesh_terms: D000468:Alkalies; D003116:Color; D006861:Hydrogen Peroxide; D008722:Methods; D010758:Phosphorus / Q000032:analysis*; D010944:Plants; D012722:Sewage / Q000032:analysis; D012822:Silicon Dioxide; D012972:Sodium Hydroxide; D013431:Sulfates
chemical_list: D000468:Alkalies; D012722:Sewage; D013431:Sulfates; D010758:Phosphorus; D012972:Sodium Hydroxide; D012822:Silicon Dioxide; D006861:Hydrogen Peroxide