Name: Hach DR2400
Brand: Hach
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59400-22

DR/2400

Spectrophotometer

PROCEDURE MANUAL

Hach Company Trademarks2
- Table of Contents3
Section 1 Introduction13
- Abbreviations Used in this Manual13
- Conversions14
- Temperature15
- Mixing15
- Digestion15
Section 2 Laboratory Practices15
- EPA Mild Digestion with Hot Plate for Metals Analysis Only16
- EPA Vigorous Digestion with Hot Plate for Metals Analysis Only16
- Distillation17
- Sample Dilution21
- Accuvac ® Ampuls22
- Permachem ® Pillows23
  - Cleaning of Sample Cells24
  - Matching of Sample Cells24
- Other Apparatus24
  - Boiling Aids24
- Achieving Accuracy in Volume Measurement25
- Sample Collection, Preservation, and Storage27
  - Collecting Water Samples27
  - From a Tap27
Section 3 Chemical Analysis27
- Sample Splits28
- Storage and Preservation28
- Correcting for Volume Additions29
- Required Containers, Preservation Techniques and Holding Times29
- Checking for Accuracy and Precision31
- Interferences41
- Ph Interference41
- Method Performance42
- %T Versus Concentration Calibration45
- Preparing a Calibration Curve45
  - Calibration Table46
  - Semilogarithmic Calibration Curve46
- Adapting Procedures to Other Spectrophotometers47
  - Absorbance Versus Concentration Calibration47
  - Selecting the Best Wavelength47
- Comparison of International Drinking Water Guidelines52
  - Definitions of USEPA Approved and Accepted53
    - USEPA Approved53
    - USEPA Accepted54
- Hazardous Waste55
- Regulatory Overview55
- Waste Minimization55
Section 4 Waste Management and Safety55
- Definition55
- Sample Codes56
- How to Determine if Waste Is Hazardous56
- Disposal57
- Management of Specific Wastes58
- Special Considerations for Cyanide-Containing Materials58
- Resources58
- Safety59
- Material Safety Data Sheets60
Section 5 Procedures Explained63
- Tips and Techniques65
Alachlor65
- Immunoassay Method65
Aluminum Method 8326 Eriochrome Cyanine R Method73
Aluminum73
- Powder Pillows73
- (0.008 to 0.800 Mg/L)73
  - Powder Pillows (0.002 to 0.250 Mg/L al 3+ )73
Aluminum79
- Chromazurol S Method85
- Unicell Vials85
Arsenic89
- (0 to 0.200 Mg/L As)89
Atrazine95
- Powder Pillows or Accuvac103
Barium103
- (1 to 100 Mg/L)103
- Powder Pillows109
Benzotriazole or Tolyltriazole109
- Benzotriazole (1 to 16 Mg/L) Tolyltriazole (1 to 20 Mg/L)109
- UV Lamp Check112
Boron113
- (0.2 to 14.0 Mg/L)113
- Powder Pillows113
- LR (0.02 to 1.50 Mg/L as B)117
Boron Method 10061 Azomethine-H Method123
Bromine123
- (0.05 to 4.50 Mg/L)123
Cadmium127
- Cadion Method127
- Unicell™ Vials127
- (0.02 to 0.30 Mg/L CD)127
Chloramine (Mono)131
- HR (0.1 to 10.0 Mg/L Cl 2 )131
Chloramine (Mono)137
- LR (0.04-4.50 Mg/L Cl 2 )137
Chloride143
Chlorine Dioxide147
- HR (5 to 1000 Mg/L)147
Chlorine Dioxide151
- (0.04 to 5.00 Mg/L)151
- Chlorine, Free181
- Chlorine, Total185
- Chromium, Hexavalent223
- Unicell™ Vials229
  - Chromium, Total233
  - Copper249
  - Cyanide265
  - Cyanuric Acid277
  - Fluoride281
  - Formaldehyde291
  - Hardness, Total307
  - Treating Analysis Labware310
  - Sampling and Storage310
  - Hydrazine313
  - Iodine317
  - Iron325
  - Pour-Thru Cell329
  - Iron, Ferrous333
  - Iron, Total337
  - Lead353
- Manganese365
- Method 8034365
- Powder Pillows365
- Manganese369
- Method 8149369
- Powder Pillows369
- Mercury373
- Method 10065373
- Metolachlor385
- Immunoassay Method385
- Molybdenum, Molybdate393
- Powder Pillows or Accuvac393
- Molybdenum, Molybdate399
- Powder Pillows399
- Nickel405
- Method 8037405
- Powder Pillows405
- Nickel411
- Method 8150411
- Powder Pillows411
- Nickel417
- Dimethylglyoxime Method417
- Unicell™ Vials417
- Nitrate421
- Method 8039421
- Powder Pillows or Accuvac421
- Nitrate427
- Method 8171427
- Powder Pillows or Accuvac427
- Nitrate433
- Method 8192433
- Powder Pillows433
- Nitrate439
- Method 10020439
- Test 'N Tube™ Vials439
- Nitrate443
- Dimethylphenol443
- Unicell™ Vials443
- Nitrite447
- Method 8507447
- Powder Pillows or Accuvac447
- Nitrite453
- Method 8153453
- Powder Pillows453
- Nitrite457
- Method 10019457
- Test 'N Tube™ Vials457
- Diazotization Method457
- Unicell™ Vials461
- Nitrogen, Ammonia465
- Nessler Method465
- HR (0.2 to 20.0 Mg/L)475
- LR (0.007 to 0.700 Mg/L)481
  - Nitrogen, Ammonium487
  - Nitrogen, Total495
  - Nitrogen, Total Inorganic515
  - Organic Carbon, Total527
  - Oxygen Demand, Chemical545
  - Oxygen, Dissolved563
- HR (0.3 to 40.0 Mg/L)563
- LR (0.02 to 3.00 Mg/L)567
  - Oxygen Scavengers573
  - Ozone577
- HR (2 to 250 Mg/L no 2 - )577
  - PCB (Polychlorinated Biphenyls)581
  - Phenols591
  - Phosphonates597
  - Phosphorus, Acid Hydrolyzable603
  - Phosphorus, Acid Hydrolyzable Digestion609
  - Phosphorus, Reactive613
  - Phosphorus, Reactive (Orthophosphate)619
  - Phosphorus, Total665
  - Potassium689
  - Quaternary Ammonium Compounds695
  - Selenium699
  - Silica707
  - Sulfate733
  - Sulfide747
  - Surfactants, Anionic755
  - Suspended Solids759
  - Toxicity765
  - Inoculum Development Using Aqua QC-Stiks766
  - Interpreting Results769
  - Disposal of Test Cultures769
  - TPH (Total Petroleum Hydrocarbons)771
  - Using the Wiretrol Pipet777
  - Zinc789
Lead PA R M E T H O D229
Nitrite Diazotization Method461

Brand	Hach
Model	DR2400
Category	Measuring Instruments
Language	English

Hach DR2400 User Manual

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