5
TABLE OF CONTENTS, continued
FLUORIDE, SPADNS 2 Method.......................................................................................... 177
HARDNESS, Calcium and Magnesium; Calmagite Colorimetric Method.......................... 185
IRON, FERROUS, 1,10 Phenanthroline Method ................................................................. 189
IRON, TOTAL, FerroVer Method......................................................................................... 195
IRON, TOTAL, FerroMo
™
Method...................................................................................... 203
IRON, TOTAL, TPTZ Method ............................................................................................. 207
MANGANESE, High Range, Periodate Oxidation Method................................................. 215
MOLYBDENUM, MOLYBDATE, Low Range, Ternary Complex Method........................ 219
Nitrogen, Free Ammonia and Chloramine (Mono), Indophenol Method............................. 225
NITRATE, High Range, Cadmium Reduction Method ........................................................ 235
NITRATE, Low Range, Cadmium Reduction Method......................................................... 243
NITRITE, Low Range, Diazotization Method...................................................................... 249
NITRITE, Low Range, Test ‘N Tube, Diazotization Method............................................... 255
NITROGEN, AMMONIA, Salicylate Method..................................................................... 259
NITROGEN, AMMONIA, Low Range, Test ‘N Tube, Salicylate Method.......................... 265
NITROGEN, AMMONIA, High Range, Test ‘N Tube, Salicylate Method......................... 271
NITROGEN, Total Inorganic, Test ‘N Tube
™
, Titanium Trichloride Reduction Method.... 277
OXYGEN DEMAND, CHEMICAL, Manganese III Digestion Method ............................. 285
ORGANIC CARBON, TOTAL, Low Range, Direct Method.............................................. 291
ORGANIC CARBON, TOTAL, Mid Range, Direct Method............................................... 299
ORGANIC CARBON, TOTAL, High Range, Direct Method.............................................. 307
OXYGEN DEMAND, CHEMICAL, Manganese III Digestion Method ............................. 315
OXYGEN, DISSOLVED, High Range, HRDO Method...................................................... 325
OXYGEN, DISSOLVED, Low Range, Indigo Carmine Method......................................... 329
OZONE, Indigo Method ....................................................................................................... 333
pH, Colorimetric pH Determination Using Phenol Red ....................................................... 337
PHOSPHONATES, Persulfate UV Oxidation Method......................................................... 341
PHOSPHORUS, REACTIVE, (Also called Orthophosphate) PhosVer 3 (Ascorbic Acid)
Method............................................................................................................................ 347
PHOSPHORUS, TOTAL, (Also called Organic and Acid Hydrolyzable) Acid Persulfate
Digestion Method ........................................................................................................... 355
PHOSPHORUS, ACID HYDROLYZABLE, Hydrolysis to Orthophosphate Method ........ 359
PHOSPHORUS, REACTIVE, PhosVer 3 Method, Test ’N Tube Procedure....................... 363
PHOSPHORUS, ACID HYDROLYZABLE, PhosVer 3 with Acid Hydrolysis .................. 371
PHOSPHORUS, TOTAL, PhosVer 3 with Acid Persulfate Digestion ................................. 379
PHOSPHORUS, REACTIVE, Amino Acid Method............................................................ 387