Orion Reagent Chemistries  
Alkalinity-M, Acid/Indicator Method Iron, Total, TPTZ Method
Aluminum, Eriochrome Cyanine R Method Manganese, Formaldoxime Method
Ammonia as Nitrogen (N), Indophenole/Phenate Method Manganese, Periodate Method
Ammonia as Nitrogen (N), Ultra Low Range, Salicylate Method Manganese, Low Range, PAN Method
Ammonia as Nitrogen (N), High Range, Nesslerization Method Manganese, High Range, Periodate Oxidation Method
Ammonia as Nitrogen (N), Low Range, Nesslerization Method Molybdate/Molybdenum, Mercaptoacetic Acid Method
Ammonia as Nitrogen (N), Salicylate Method Nitrate as Nitrogen (N), Zinc Reduction Method
Chloride, Silver Nitrate/Turbidity Method Nitrate as Nitrogen (N), Low Range, Cadmium reduction Method
Chloride, Ferric Thiocyanate Method Nitrate as Nitrogen (N), Cadmium Reduction Method
Chlorine, Free & Total, DPD Method Nitrate, Cadmium Reduction Method
Chlorine, Free, DPD Method Nitrite as Nitrogen (N), Diazotization (Azo) Method
Chlorine, Total, DPD Method Nitrite as Nitrogen (N), Low Range, Diazotization (Azo) Method
Chlorine, Free & Total, DPD Method Nitrite as Nitrogen (N), Azo Dye Formation Method
Chlorine, Free, DPD Method Oxygen, Indigo Carmine Method
Chlorine, Total, DPD Method Ozone, DPD Method
Chlorine Dioxide, DPD Method Phenol Red Method
COD, Low Range, Dichromate Reactor Digestion Method Phosphate, Ortho, Low Range, Phosphomolybdic
COD, Mid Range, Dichromate Reactor Digestion Method Acid/Ascorbic Acid Method
COD, High Range, Dichromate Reactor Digestion Method Phosphate, Ortho, High Range, Vanadomolybdate Method
Copper, Free & Total, Biquinoline Method Phosphate, Ortho, Stannous Chloride Method
Copper, Zincon Method Phosphate, Ortho, Ascorbic Acid Method
Copper, Soluble, Bathocuproine Method Silica, Silicomolybdate, Heteropoly Blue Method
Copper, Free, Bicinchoninate Method Silica, Silicomolybdate, Heteropoly Blue Method with Phosphate Removal
Cyanide, Free, Isonicotinic-Barbituric Acid Method Silica, Heteropoly Blue Method
Fluoride, SPADNS Kit Method Silica, High Range, Silicomolybdate Method
Hydrazine, Dimethylamino-benzaldehyde Method Sulfate, Barium Sulfate/Turbidity Method
Iron, Low Range, III, Soluble, TPTZ Method Sulfide, Methylene Blue Method
Iron, Total & Soluble, Phenanthroline Method Sulfide, Acid Soluble, Methylene Blue Method
Iron, II & III, Soluble, 1,10-Phenanthroline Method Zinc, Zincon Method