Hach DR/850 - Page 30

To Next Page

To Previous Page

CHEMICAL ANALYSIS INFORMATION, continued

Figure 4 Inverting a Sample Cell

Figure 5 Swirling a Graduated Cylinder

Main Page

Table of Contents3
Introduction7
Sample Procedure Explained9
Section 1 Chemical Analysis Information13
Abbreviations13
Converting Chemical Species14
- Hardness Conversion15
- Dissolved Oxygen16
- Sample Collection, Preservation and Storage18
- Correcting for Volume Additions22
- Boiling Aids23
- Sample Filtration23
- Temperature Considerations25
- Sample Dilution Techniques25
- Using Pipets and Graduated Cylinders26
- Using the Tensette Pipet28
- Mixing Water Samples29
- Using Sample Cells31
- Using Accuvac Ampuls32
- Using Reagent Powder Pillows33
- Using Permachem Pillows33
- Reagent and Standard Stability34
Interferences34
- Ph Interference35
Accuracy and Precision36
- Standard Additions36
Method Performance43
- Estimated Detection Limit43
- Precision46
Reagent Blank Correction47
Standard Adjust (Adjusting the Standard Curve)47
- Preparing a User-Entered Calibration Curve49
USEPA Approved and Accepted Definitions51
Section 2 Sample Pretreatment53
Digestion53
- EPA Mild Digestion with Hot Plate for Metals Analysis Only53
- EPA Vigorous Digestion with Hot Plate for Metals Analysis Only54
- General Digesdahl Digestion (Not USEPA Accepted)55
Distillation55
Section 3 Waste Management and Safety57
Waste Management57
- Waste Minimization57
- Regulatory Overview57
- Hazardous Waste Definition58
- Characteristic Hazardous Waste Codes59
- How to Determine if Waste Is Hazardous59
- Examples of Hazardous Waste60
- Hazardous Waste Disposal60
- Management of Specific Wastes61
- Resources62
Material Safety Data Sheets63
- How to Obtain an MSDS63
- Sections of the MSDS63
Safety66
- Material Safety Data Sheet66
- Reading Labels Carefully66
- Protective Equipment66
- First Aid Equipment and Supplies67
- General Safety Rules67
- OSHA Chemical Hygiene Plan68
Section 4 Procedures69
ALUMINUM Aluminon Method71
BROMINE, DPD Method77
- Method93
CHLORINE, FREE, Ultra-High Range, DPD Method101
CHLORINE, TOTAL, Ultra-High Range, DPD Method109
CHLORINE, FREE, DPD Method117
CHLORINE, TOTAL DPD Method125
CHLORINE, FREE, DPD Test 'N Tube™ Method133
CHLORINE, TOTAL, DPD Test 'N Tube™ Method141
CHLORINE DIOXIDE, DPD Method147
CYANIDE, Pyridine-Pyrazalone Method155
CYANURIC ACID Turbidimetric Method165
FLUORIDE, SPADNS Method169
FLUORIDE, SPADNS 2 Method177
HARDNESS, Calcium and Magnesium; Calmagite Colorimetric Method185
IRON, FERROUS, 1,10 Phenanthroline Method189
IRON, TOTAL, Ferrover Method195
IRON, TOTAL, Ferromo ™ Method203
IRON, TOTAL, TPTZ Method207
MANGANESE, High Range Periodate Oxidation Method215
MOLYBDENUM, MOLYBDATE, Low Range Ternary Complex Method219
Nitrogen, Free Ammonia and Chloramine (Mono) Indophenol Method225
NITRATE, High Range, Cadmium Reduction Method235
NITRATE, Low Range, Cadmium Reduction Method243
NITRITE, Low Range Diazotization Method249
NITRITE, Low Range, Test 'N Tube Diazotization Method255
NITROGEN, AMMONIA Salicylate Method259
NITROGEN, AMMONIA, Low Range, Test 'N Tube Salicylate Method265
NITROGEN, AMMONIA, High Range, Test 'N Tube, Salicylate Method271
NITROGEN, Total Inorganic, Test 'N Tube ™ , Titanium Trichloride Reduction Method277
OXYGEN DEMAND, CHEMICAL, Manganese III Digestion Method285
ORGANIC CARBON, TOTAL, Low Range, Direct Method291
ORGANIC CARBON, TOTAL, MID Range, Direct Method299
ORGANIC CARBON, TOTAL, High Range, Direct Method307
OXYGEN DEMAND, CHEMICAL, Manganese III Digestion Method315
OXYGEN, DISSOLVED, High Range HRDO Method325
OXYGEN, DISSOLVED, Low Range Indigo Carmine Method329
OZONE Indigo Method333
Ph, Colorimetric Ph Determination Using Phenol Red337
PHOSPHONATES Persulfate UV Oxidation Method341
PHOSPHORUS, REACTIVE, (also Called Orthophosphate) Phosver 3 (Ascorbic Acid Method347
PHOSPHORUS, REACTIVE, (also Called Orthophosphate) Phosver 3 (Ascorbic Acid) Method347
PHOSPHORUS, TOTAL, (also Called Organic and Acid Hydrolyzable) Acid Persulfate Digestion Method355
PHOSPHORUS, ACID HYDROLYZABLE Hydrolysis to Orthophosphate Method359
PHOSPHORUS, REACTIVE, Phosver 3 Method, Test 'N Tube Procedure363
PHOSPHORUS, ACID HYDROLYZABLE, Phosver 3 with Acid Hydrolysis371
PHOSPHORUS, TOTAL, Phosver 3 with Acid Persulfate Digestion379
PHOSPHORUS, REACTIVE, Amino Acid Method387
SILICA, Low Range Heteropoly Blue Method393
SILICA, Ultra High Range Silicomolybdate Method399
SULFATE, Sulfaver 4 Method405
SULFIDE, Methylene Blue Method413
SURFACTANTS, ANIONIC (also Called: Detergents) Crystal Violet Method417
SUSPENDED SOLIDS Photometric Method421
TANNIN and LIGNIN Tyrosine Method425
TOXTRAK ™ TOXICITY TEST, Colorimetric Method429
Toxtrak429
TURBIDITY Absorptometric Method437
VOLATILE ACIDS Esterification Method441
ZINC, Zincon Method447
How to Order453
Additional Information455

Hach DR/850 - Page 30

Table of Contents

Other manuals for Hach DR/850

Related product manuals