Hach - Parameter/Range/Reagent Information

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   Hach Company
   PO Box 389
   Loveland, CO 80539

   800-227-4224
   970-669-3050

Parameter/Range/Reagent Information

NOTE: To view a test procedure, select the link in the "Proc" column.

Chelant

Method	Range	EDL	Proc.	Approved	Reagent Ordering
Bismuth Nitrate Method 8350	0 to 40.0 mg/L as Na₄EDTA		View		Ascorbic Acid, pk/100, Powder Pillows , Bismuth Nitrate, 0.0200M Cartridge , Methylthymol Blue Indicator Powder Pillows, pk/100 , Sulfuric Acid Standard Solutions, 5.25 N, 100 tests MDB , Water, Deionized 500 mL

Chloride

Method	Range	EDL	Proc.	Approved	Reagent Ordering
Mercuric Nitrate Method 8206	10 to 8000 mg/L as Cl^-		View		Sulfuric Acid Standard Solutions, 5.25 N, 100 tests MDB , Water, Deionized 500 mL , Chloride Reagent Set, For Mercuric Nitrate Method, 100/test , Chloride Standard Solutions as Cl-(NIST) 12,500 mg/L, 16/Voluette� Ampules , Diphenylcarbazone Powder Pillows, 100mL sample, pk/100 , Hydrogen Peroxide Solution 473 mL (No Air Shipments) , Mercuric Nitrate Cartridges for Digital Titrator, 0.2256 N , Mercuric Nitrate Cartridges for Digital Titrator, 2.256 N , Sodium Chloride Standard Solutions (NIST) 1000 mg/L 500 mL , Sodium Hydroxide Standard Solutions 5.0 N 100 tests MDB , Sulfide Inhibitor Reagent 100
Silver Nitrate Method 8207	10 to 10,000 mg/L as Cl^-		View		Sulfuric Acid Standard Solutions, 5.25 N, 100 tests MDB , Water, Deionized 500 mL , Chloride Standard Solutions as Cl-(NIST) 12,500 mg/L, 16/Voluette� Ampules , Hydrogen Peroxide Solution 473 mL (No Air Shipments) , Sodium Chloride Standard Solutions (NIST) 1000 mg/L 500 mL , Sodium Hydroxide Standard Solutions 5.0 N 100 tests MDB , Sulfide Inhibitor Reagent 100 , Chloride 2 Indicator, 100 mL Sample, pk/50 Powder Pillows , Chloride Reagent Sets, 10-10,000 mg/L as CI, 100/tests (Digital Titrator Method) , Silver Nitrate Cartridges for Digital Titrator 0.2256 N , Silver Nitrate Cartridges for Digital Titrator 1.128 N
Silver Nitrate Buret Titration Method 8225	0 to 25,000 mg/L as Cl^-		View		Water, Deionized 500 mL , Chloride Standard Solutions as Cl-(NIST) 12,500 mg/L, 16/Voluette� Ampules , Hydrogen Peroxide Solution 473 mL (No Air Shipments) , Sodium Chloride Standard Solutions (NIST) 1000 mg/L 500 mL , Sulfide Inhibitor Reagent 100 , Chloride 2 Indicator, 100 mL Sample, pk/50 Powder Pillows , Silver Nitrate Standard Solutions, 0.141 N, Bottle/500 mL , Silver Nitrate, Standard Solutions, 0.0141 N, Bottle/1 L

Chromium

Method	Range	EDL	Proc.	Approved	Reagent Ordering
Titration Method 8211	20 to > 400 mg/L as CrO₄²^-		View		Water, Deionized 500 mL , CDTA Disodium Magnesium Salt 100 , Chromate Reagent Set 100 tests , Chromium Standard Solution, 50 mg/L, Bottle/100 mL , Chromium, Hexavalent, Standard Solutions as Cr6+ (NIST), 1000 mg/L, Bottle/100 mL , Dissolved Oxygen 3 Reagent, 60mL sample, pk/100 Powder Pillows , Potassium iodide pwd plws pk/50 , SODIUM THIOSULFATE, 0.2068N CRTG , Starch Indicator Solution, 100 mL MDB , Sulfuric Acid, ACS Grade, 500 mL

Hardness

Method	Range	EDL	Proc.	Approved	Reagent Ordering
Titration Method 8204	10 to 4000 mg/L as CaCO₃		View		Water, Deionized 500 mL , CDTA Disodium Magnesium Salt 100 , Bromcresol Green-Methyl Red Indicator Solution, 100 mL MDB , Calcium Indicator, CalVer� 2, 50 mL sample, pk/100 Powder Pillows , Calcuim/Hardness Standard Solutions as CaCO3, 10,000 mg/L, pk/16 (NIST) Ampules , CalVer� 2 Calcium Indicator 113 g , CDTA Titrant (HexaVer�) 1 L , EDTA Cartridge for Digital Titrator, 0.800 M , EDTA Cartridges for Digital Titrator, 0.0800 M , EDTA Cartridges for Digital Titrator, 0.1428 M , EDTA, 0.714M CRTG , Hardness (Calcium) Reagent Set for Digital Titrator, (100-4000 mg/L) 100 tests , Hardness (Calcium) Reagent Set for Digital Titrator, (10-160 mg/L) 100 tests , Hardness 2 Solution 100 mL MDB , Magnesium Standard Solutions (NIST) 10,000 � 1000 mg/L 29 mL DB , MANVER 2 HARDNESS IND PWD, 113G , Nitric Acid (500 mL) , Nitric Acid Solution, 1:1 500 mL , Phenolphthalein Indicator Solution, 5 g/L, 100 mL MDB (APHA) , Potassium Hydroxide Standard Solutions 8.00 N 100 mL MDB , Potassium Hydroxide Standard Solutions 8.00 N 500 mL , Sodium Hydroxide Standard Solutions 5.0 N 50 mL SCDB
Buret Titration Method 8222	0 to 25,000 mg/L as CaCO3		View		Water, Deionized 500 mL , Calcium Indicator, CalVer� 2, 50 mL sample, pk/100 Powder Pillows , Calcuim/Hardness Standard Solutions as CaCO3, 10,000 mg/L, pk/16 (NIST) Ampules , CalVer� 2 Calcium Indicator 113 g , Magnesium Standard Solutions (NIST) 10,000 � 1000 mg/L 29 mL DB , Nitric Acid (500 mL) , Nitric Acid Solution, 1:1 500 mL , Potassium Hydroxide Standard Solutions 8.00 N 100 mL MDB , Potassium Hydroxide Standard Solutions 8.00 N 500 mL , Calcium Standard Solutions as CaCO3 (CaCl2), 1000 mg/L, Bottle/1 L (NIST) , EDTA Standard Solution, 0.0200N, 1000 mL , EDTA STD SOLN, 0.20N 500ML , Hardness (Calcium) Reagent Set (0-5000 mg/L)100 tests
Titration Method 8213	10 to 4000 mg/L as CaCO₃		View		Water, Deionized 500 mL , CDTA Disodium Magnesium Salt 100 , Calcuim/Hardness Standard Solutions as CaCO3, 10,000 mg/L, pk/16 (NIST) Ampules , CDTA Titrant (HexaVer�) 1 L , EDTA Cartridge for Digital Titrator, 0.800 M , EDTA Cartridges for Digital Titrator, 0.0800 M , EDTA Cartridges for Digital Titrator, 0.1428 M , EDTA, 0.714M CRTG , Hardness 2 Solution 100 mL MDB , Magnesium Standard Solutions (NIST) 10,000 � 1000 mg/L 29 mL DB , MANVER 2 HARDNESS IND PWD, 113G , Nitric Acid (500 mL) , Nitric Acid Solution, 1:1 500 mL , Sodium Hydroxide Standard Solutions 5.0 N 50 mL SCDB , Calcium Standard Solutions as CaCO3 (CaCl2), 1000 mg/L, Bottle/1 L (NIST) , Hardness (Total) Reagent Set for Digital Titrator, (100-4000 mg/L) 100 tests , Hardness (Total) Reagent Set for Digital Titrator, (10-160 mg/L) 100 tests , Hardness 1 Buffer Solution 100mL MDB , Manver 2 Hardness Indicator Powder Pillows, 50mL Sample, pk/100
ManVer 2 Buret Titration Method 8226	0 to 25,000 mg/L as CaCO₃		View		Water, Deionized 500 mL , CDTA Disodium Magnesium Salt 100 , Calcuim/Hardness Standard Solutions as CaCO3, 10,000 mg/L, pk/16 (NIST) Ampules , CDTA Titrant (HexaVer�) 1 L , Hardness 2 Solution 100 mL MDB , Magnesium Standard Solutions (NIST) 10,000 � 1000 mg/L 29 mL DB , MANVER 2 HARDNESS IND PWD, 113G , Nitric Acid (500 mL) , Nitric Acid Solution, 1:1 500 mL , Sodium Hydroxide Standard Solutions 5.0 N 50 mL SCDB , Calcium Standard Solutions as CaCO3 (CaCl2), 1000 mg/L, Bottle/1 L (NIST) , EDTA Standard Solution, 0.0200N, 1000 mL , EDTA STD SOLN, 0.20N 500ML , Hardness 1 Buffer Solution 100mL MDB , Manver 2 Hardness Indicator Powder Pillows, 50mL Sample, pk/100 , Hardness (Total) Reagent Set (0-2500 mg/L), 100 tests , Hardness (Total) Reagent Set (100-25000 mg/L), 100 tests

Iron

Method	Range	EDL	Proc.	Approved	Reagent Ordering
TitraVer Titration Method 8214	10 to 1000 mg/L as Fe		View		Water, Deionized 500 mL , Buffer Solution, for Iron Citrate Type, pk/100 Powder Pillows , EDTA Cartridges for Digital Titrator, 0.0716 M , EDTA Cartridges for Digital Titrator, 0.716 M , Iron (Total) Reagent Set 100 tests , Iron Standard Solution as Fe (NIST), 25 mg/L, pk/16 - 10 mL Voluette� Ampules , Iron Standard Solution as Fe (NIST), 10 mg/L, 500 mL , Iron Standard Solutions as Fe (NIST), 100 mg/L, Bottle/100 mL , Iron Standard Solutions as Fe (NIST), 1000 mg/L, 100 mL , Iron Standard Solutions as Fe (NIST), 50 mg/L, pk/16 - 10 mL Voluette� Ampule , REAGENT SET, IRON 100-1000 MG/L , Sodium Periodate, pk/100 Powder Pillows , Sulfosalicylic acid pp pk/100

Nitrite

Method	Range	EDL	Proc.	Approved	Reagent Ordering
Ceric Acid Titration Method 8351	100 to 2500 mg/L as NaNO₂		View		Sulfuric Acid Standard Solutions, 5.25 N, 100 tests MDB , Water, Deionized 500 mL , Ceric Standard Cartridge for Digital Titrator, 0.500 N , Ferroin Indicator Solution 29 mL DB , Sodium Nitrite 454 g , Sodium Thiosulfate Cartridges for Digital Titrator 0.2000 N , Sulfuric Acid Standard Solutions, 19.2 N, Bottle/100 mL MDB

Phosphorus

Method	Range	EDL	Proc.	Approved	Reagent Ordering
PhosVer(TM) 3 with Acid Hydrolysis Method 8180	0.06 to 3.50 mg/L PO43-		View		Bromine Water, 29 mL , Hydrochloric Acid Standard Solutions, 6.0 N (1:1), 500 mL , Inorganics Quality Control Standard for Drinking Water, Bottle/500 mL , Phenol Solution, 30 g/L, 29 mL , Phosphate (Acid Hydrolyzable) Reagent Set, 50/tests , Phosphate Reagent, PhosVer� 3, 10 mL sample, pk/50 Powder Pillows , Phosphate Standard Solutions as PO4 (NIST) 10 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 3 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 500 mg/L 100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 1 mg/L, Bottle/500 mL , Phosphate Standard Solutions as PO4 (NIST), 100 mg/L, Bottle/100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 15 mg/L, Bottle/100 mL , Phosphate Standard Solutions as PO4 (NIST), 30 mg/L Bottle/946 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, pk16 - 10-mL Voluette� Ampule , Phosphate Standard Solutions as PO4 (NIST), 500 mg/L, pk/16 10-mL Voluette� Ampule , POTASSIUM PERSULFATE PP PK/50 , SODIUM HYDROXIDE, 1.0N 100ML , SODIUM HYDROXIDE, 1.54N 100ML , Wastewater Effluent Inorganics Quality Control Standard, 500 mL , Water, Deionized 100 mL
Molybdovanadate Method 8114	0.3 to 45.0 mg/L PO43-		View		Bromine Water, 29 mL , Hydrochloric Acid Standard Solutions, 6.0 N (1:1), 500 mL , Phenol Solution, 30 g/L, 29 mL , Phosphate Standard Solutions as PO4 (NIST) 10 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 3 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 500 mg/L 100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 100 mg/L, Bottle/100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 15 mg/L, Bottle/100 mL , Phosphate Standard Solutions as PO4 (NIST), 30 mg/L Bottle/946 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, pk16 - 10-mL Voluette� Ampule , Phosphate Standard Solutions as PO4 (NIST), 500 mg/L, pk/16 10-mL Voluette� Ampule , Wastewater Influent Inorganics Quality Control Standard, 500 mL , Water, Deionized 4 L , Molybdovanadate Reagent, bottle/100 mL MDB , Phosphorus, Molybdovanadate, AccuVac� Ampules, pk/25
Molybdovanadate Rapid Liquid Method 8114	HR 0.3 to 45.0 mg/L PO4³^-		View		Bromine Water, 29 mL , Hydrochloric Acid Standard Solutions, 6.0 N (1:1), 500 mL , Phenol Solution, 30 g/L, 29 mL , Phosphate Standard Solutions as PO4 (NIST) 10 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 3 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 500 mg/L 100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 100 mg/L, Bottle/100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 15 mg/L, Bottle/100 mL , Phosphate Standard Solutions as PO4 (NIST), 30 mg/L Bottle/946 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, pk16 - 10-mL Voluette� Ampule , Phosphate Standard Solutions as PO4 (NIST), 500 mg/L, pk/16 10-mL Voluette� Ampule , Wastewater Influent Inorganics Quality Control Standard, 500 mL , Water, Deionized 4 L , Ammonium Hydroxide 500 mL , Phosphorus, Rapid Liquid(TM) Reagents 500 mL
Molybdovanadate Method 8114	HR 1.0 to 100.0 mg/L PO4³^-		View		Bromine Water, 29 mL , Hydrochloric Acid Standard Solutions, 6.0 N (1:1), 500 mL , Phenol Solution, 30 g/L, 29 mL , Phosphate Standard Solutions as PO4 (NIST) 10 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 3 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 500 mg/L 100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 100 mg/L, Bottle/100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 15 mg/L, Bottle/100 mL , Phosphate Standard Solutions as PO4 (NIST), 30 mg/L Bottle/946 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, pk16 - 10-mL Voluette� Ampule , Phosphate Standard Solutions as PO4 (NIST), 500 mg/L, pk/16 10-mL Voluette� Ampule , Water, Deionized 100 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, bottle/500 mL , Wastewater Influent Inorganics Quality Control Standard, 500 mL , Ammonium Hydroxide 500 mL , Phosphorus, Test 'N Tube, HR, Reactive, Reagent Set, 50/test
Amino Acid Method 8178	0.23 to 30.00 mg/L PO43-		View		Bromine Water, 29 mL , Hydrochloric Acid Standard Solutions, 6.0 N (1:1), 500 mL , Phenol Solution, 30 g/L, 29 mL , Phosphate Standard Solutions as PO4 (NIST) 10 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 3 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 500 mg/L 100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 100 mg/L, Bottle/100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 15 mg/L, Bottle/100 mL , Phosphate Standard Solutions as PO4 (NIST), 30 mg/L Bottle/946 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, pk16 - 10-mL Voluette� Ampule , Phosphate Standard Solutions as PO4 (NIST), 500 mg/L, pk/16 10-mL Voluette� Ampule , Wastewater Effluent Inorganics Quality Control Standard, 500 mL , Wastewater Influent Inorganics Quality Control Standard, 500 mL , Water, Deionized 4 L , Amino Acid Reagent 100 tests , Amino Acid Reagent Powder Pillows for LR Silica, 25 mL sample, pk/100 , Molybdate Reagent 100 mL MDB , Phosphorus, Reactive, (Orthophosphate) Reagent Set, 100/tests , Sulfamic Acid, 454 g , Sulfuric Acid Standard Solutions, 10 N, Bottle/1 L
Ascorbic Acid Rapid Liquid Method 10055	LR 19 to 3000 �g/L PO43-		View		Hydrochloric Acid Standard Solutions, 6.0 N (1:1), 500 mL , Inorganics Quality Control Standard for Drinking Water, Bottle/500 mL , Phosphate Standard Solutions as PO4 (NIST) 3 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST), 1 mg/L, Bottle/500 mL , Phosphate Standard Solutions as PO4 (NIST), 15 mg/L, Bottle/100 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, pk16 - 10-mL Voluette� Ampule , Wastewater Effluent Inorganics Quality Control Standard, 500 mL , Water, Deionized 4 L , Ammonium Hydroxide 500 mL , Phosphorus Rapid Liquid Reagent Set, Ascorbic Acid, 250/test , Phosphorus, Reactive, Rapid Liquid(TM) Reagents 450 mL , Phosphorus, Reactive, Rapid Liquid(TM) Reagents 48 g , Phosphorus, Reactive, Rapid Liquid(TM) Reagents 500 mL
Molybdovanadate Method 10214, TNTplus 846	5.0 to 90.0 mg/L PO4³^- or (1.6 to 30 mg/L PO₄-P)		View		Sulfuric Acid, ACS Grade, 500 mL , Hydrochloric Acid Standard Solutions, 6.0 N (1:1), 500 mL , Phosphate Standard Solutions as PO4 (NIST) 3 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 500 mg/L 100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 100 mg/L, Bottle/100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 15 mg/L, Bottle/100 mL , Phosphate Standard Solutions as PO4 (NIST), 30 mg/L Bottle/946 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, pk16 - 10-mL Voluette� Ampule , Phosphate Standard Solutions as PO4 (NIST), 500 mg/L, pk/16 10-mL Voluette� Ampule , Sample Blank Vials for TNTplus, 5/pk , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, bottle/500 mL , Phosphorus TNTplus, UHR (2-20 mg/L PO4-P), 25 tests , Sodium Hydroxide Standard Solutions 5.0 N 1 L , Wastewater Influent Inorganics Quality Control Standard, 500 mL
PhosVer 3 (Ascorbic Acid) Method 8048	0.02 to 2.50 mg/L PO43-		View		Hydrochloric Acid Standard Solutions, 6.0 N (1:1), 500 mL , Inorganics Quality Control Standard for Drinking Water, Bottle/500 mL , Phosphate Standard Solutions as PO4 (NIST) 10 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST), 1 mg/L, Bottle/500 mL , Phosphate Standard Solutions as PO4 (NIST), 100 mg/L, Bottle/100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 15 mg/L, Bottle/100 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, pk16 - 10-mL Voluette� Ampule , Phosphate Standard Solutions as PO4 (NIST), 500 mg/L, pk/16 10-mL Voluette� Ampule , Wastewater Effluent Inorganics Quality Control Standard, 500 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, bottle/500 mL , Blank AccuVac� Ampules, pk/25 , Phosphate Pretreatment, pk/100 Powder Pillows , Phosphate Reagent, PhosVer� 3, pk/25 AccuVac� Ampules , Phosphate, PhosVer� 3 Reagent, 10 mL sample, pk/100 Powder Pillows , Water, Deionized 4 L
PhosVer 3 Method 8048	0.06 to 5.00 mg/L PO43- or 0.02 to 1.60 mg/L P		View		Bromine Water, 29 mL , Hydrochloric Acid Standard Solutions, 6.0 N (1:1), 500 mL , Inorganics Quality Control Standard for Drinking Water, Bottle/500 mL , Phenol Solution, 30 g/L, 29 mL , Phosphate Reagent, PhosVer� 3, 10 mL sample, pk/50 Powder Pillows , Phosphate Standard Solutions as PO4 (NIST) 10 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 3 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST), 1 mg/L, Bottle/500 mL , Phosphate Standard Solutions as PO4 (NIST), 100 mg/L, Bottle/100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 15 mg/L, Bottle/100 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, pk16 - 10-mL Voluette� Ampule , Phosphate Standard Solutions as PO4 (NIST), 500 mg/L, pk/16 10-mL Voluette� Ampule , Wastewater Effluent Inorganics Quality Control Standard, 500 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, bottle/500 mL , Phosphate, 50 mg/L, pk/20 - 2 mL Ampules , Phosphorus, Reactive (Orthophosphate), UR, 50/tests
Acid Persulfate Digestion Method 8190			View		Sulfuric Acid, ACS Grade, 500 mL , Hydrochloric Acid Standard Solutions, 6.0 N (1:1), 500 mL , Inorganics Quality Control Standard for Drinking Water, Bottle/500 mL , Phosphate Reagent, PhosVer� 3, 10 mL sample, pk/50 Powder Pillows , Phosphate Standard Solutions as PO4 (NIST) 10 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 3 mg/L 946 mL , Phosphate Standard Solutions as PO4 (NIST) 500 mg/L 100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 1 mg/L, Bottle/500 mL , Phosphate Standard Solutions as PO4 (NIST), 100 mg/L, Bottle/100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 15 mg/L, Bottle/100 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, pk16 - 10-mL Voluette� Ampule , Phosphate Standard Solutions as PO4 (NIST), 500 mg/L, pk/16 10-mL Voluette� Ampule , POTASSIUM PERSULFATE PP PK/50 , SODIUM HYDROXIDE, 1.54N 100ML , Wastewater Effluent Inorganics Quality Control Standard, 500 mL , Water, Deionized 100 mL , Sodium Hydroxide Standard Solutions 5.0 N 1 L , Water, Deionized 4 L , Phosphorus, Total, Test 'N Tube Reagent Set, 50/tests
Molybdovanadate Method 10127	HR 1.0 to 100.0 mg/L PO43-		View		Sulfuric Acid, ACS Grade, 500 mL , Hydrochloric Acid Standard Solutions, 6.0 N (1:1), 500 mL , Phosphate Standard Solutions as PO4 (NIST) 500 mg/L 100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 100 mg/L, Bottle/100 mL MDB , Phosphate Standard Solutions as PO4 (NIST), 30 mg/L Bottle/946 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, pk16 - 10-mL Voluette� Ampule , Phosphate Standard Solutions as PO4 (NIST), 500 mg/L, pk/16 10-mL Voluette� Ampule , POTASSIUM PERSULFATE PP PK/50 , SODIUM HYDROXIDE, 1.54N 100ML , Water, Deionized 100 mL , Phosphate Standard Solutions as PO4 (NIST), 50 mg/L, bottle/500 mL , Sodium Hydroxide Standard Solutions 5.0 N 1 L , Wastewater Influent Inorganics Quality Control Standard, 500 mL , Water, Deionized 4 L , MOLYBDOVANADATE RGT, 25ML , Phosphorus, Total High Range Test 'N Tube Reagent Set, 50/test

Potassium

Method	Range	EDL	Proc.	Approved	Reagent Ordering
Tetraphenylborate Method 8049	0.1 to 7.0 mg/L		View		Nitric Acid Solution, 1:1 500 mL , Sodium Hydroxide Standard Solutions 5.0 N 50 mL SCDB , Water, Deionized 4 L , Potassium 1 Reagent, pk/25 Powder Pillows , Potassium 2 Reagent, pk/25 Solution Pillows , Potassium 250 mg/L 10 mL Ampules, Pk/16 , Potassium 3 Reagent, pk/100 Powder Pillows , Potassium Standard Solutions as K (NIST) 100 mg/L 500 mL , REAGENT SET, POTASSIUM 0.1-7.0 mg/L as K

Quaternary Ammonium Compounds (QAC)

Method	Range	EDL	Proc.	Approved	Reagent Ordering
Direct Binary Complex Method 8337	0.2 to 5.0 mg/L as CTAB		View		Water, Deionized 4 L , Quaternary Ammonium Compound Reagent 1, Powder Pillows, pk/50 , Quaternary Ammonium Compound Reagent 2, Powder Pillows, pk/25 , Quaternary Ammonium Compound (QAC) Standard, Bottle/100 mL , Quaternary Ammonium Compound Rgt. Set, 0-5 mg/L as CTAB , Sodium Hydroxide Standard Solutions 1.000 N 100 mL MDB , Sodium Hydroxide Standard Solutions 1.000 N 900 mL , Sulfuric Acid Standard Solutions, 1.000 N, Bottle/100 mL MDB

Selenium

Method	Range	EDL	Proc.	Approved	Reagent Ordering
Diaminobenzidine Method 8194	0.01 to 1.00 mg/L		View		Sulfuric Acid Standard Solutions, 5.25 N, 100 tests MDB , Hydrogen Peroxide Solution 473 mL (No Air Shipments) , Sodium Hydroxide Standard Solutions 5.0 N 100 tests MDB , Nitric Acid (500 mL) , Phenol Solution, 30 g/L, 29 mL , Water, Deionized 4 L , Acetone, 500 mL , Buffer Solution, Sulfate Type 500 mL , Diaminobenzidine, Tetrahydrochloride 5 g , Hydrochloric Acid Standard Solutions 0.1 N 1 L , Methyl Orange Indicator Solutions 500 mL , Potassium Hydroxide Standard Solutions 12.0 N 100 tests MDB , Potassium Permanganate Solution 100 mL , REAGENT SET, FOR SELENIUM , Selenium Standard Solutions as Se (NIST), 1000 mg/L, Bottle/100 mL , Sodium Hydroxide Standard Solutions 0.100 N 1 L , Sulfuric Acid Standard Solutions, 19.2 N, Bottle/500 mL , TitraVer� Hardness Reagent 100 g , Toluene 4 L (No Air Shipments)

Silica

Method	Range	EDL	Proc.	Approved	Reagent Ordering
Silicomolybdate Method 8185	HR 1 to 100 mg/L		View		Water, Deionized 4 L , Sulfuric Acid Standard Solutions, 1.000 N, Bottle/100 mL MDB , Acid Reagent Powder Pillows for HR Silica, 10mL sample, pk/100 , Citric Acid for Silica, 10 mL Sample, pk/100 Powder Pillows , Molybdate Reagent Powder Pillows for HR Silica, 10 mL sample, pk/100 , Silica Reagent Set, High Range, 10 mL Samples, 100/tests , Silica Standard Solutions as SiO2 (NIST), 1000 mg/L, Bottle/500 mL , Silica Standard Solutions as SiO2 (NIST), 50 mg/L, Bottle/200 mL , SODIUM BICARBONATE 454G

Volatile Acids

Method	Range	EDL	Proc.	Approved	Reagent Ordering
Buret Titration Method 8291	100 to 2400 mg/L as CH₃COOH		View		Sodium Hydroxide Standard Solutions 0.100 N 1 L , Phenolphthalein Indicator, pk/100 Powder Pillows

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