Lamotte SMART3 Colorimeter User Manual Page 135
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HEXAVALENT CHROMIUM PROCEDURE
1. Press and hold until colorimeter turns on.
2. Press
ENTER
to select TESTING MENU.
3. Select ALL TESTS (or another sequence containing 021 Chromium) from
TESTING MENU.
4. Scroll to and select 021 Chromium from menu.
5. Rinse a clean tube (0290) with sample water. Fill to 10 mL line with sample
water.
6. Insert tube into chamber, close lid and select SCAN BLANK.
7. Remove tube from colorimeter. Use 0.1 g spoon (0699) to add one level
measure of *Chromium Reagent Powder (V-6276). Cap and shake for one
minute. Wait 3 minutes.
8. During the waiting period, fold a piece of fi lter paper in half, then in half again to
form a cone. Push corners together to open end, and insert into funnel (0459).
9. At the end of 3 minute waiting period, fi lter sample into a clean tube (0290).
Cap and mix. Insert tube into chamber, close lid and select SCAN SAMPLE.
Record result.
10. Press
to turn colorimeter off or press
EXIT
to exit to a previous menu or
make another menu selection.
TOTAL CHROMIUM WITH ACID DIGESTION
PROCEDURE
1. Fill graduated cylinder (0418) to 50 mL line with sample water. Transfer to
Erlenmeyer fl ask (0431).
2. Use the 1 mL pipet (0354) to add 5 mL (fi ve measures) of *Sulfuric Acid, 5N
(7681). Swirl to mix.
NOTE: Highly buffered waters may require pH adjustment. Adjust the pH of
highly buffered samples to 7.0 ±0.5. Continue procedure.
3. Place fl ask on burner or hot plate. Bring solution to a gentle boil.
4. Fill pipet (0341) with Potassium Permanganate, 0.5% (7682). While gently
swirling fl ask, add Potassium Permanganate, 0.5% (7682), 2 drops at a time
to boiling solution, until solution turns a dark pink color which persists for 10
minutes. Continue boiling.
5. Add one drop of *Sodium Azide, 5% (7683) to boiling solution. Boil for
approximately 30 seconds. If pink color does not fade, add another drop of
*Sodium Azide, 5%. Continue adding *Sodium Azide, 5% one drop at a time
until pink color disappears.
SMART3 Test Procedures 11.10 CHROMIUM, Hexavalent, Trivalent, Total
Test Procedures
- CONTENTS 3
- GENERAL INFORMATION 5
- LIMITS OF LIABILITY 6
- WARRANTY 6
- REGISTER YOUR METER 6
- SPECIFICATIONS 7
- 6 SMART3 Colorimeter 11.10 8
- CONTENTS AND ACCESSORIES 9
- ACCESSORIES 9
- EPA COMPLIANCE 10
- CE COMPLIANCE 10
- IP67 CERTIFICATION 10
- CHEMICAL TESTING 11
- Sampling of Closed System 12
- FILTRATION 12
- SMART3 Colorimeter 11.10 11 13
- REAGENT BLANK 14
- METER CARE 14
- CALIBRATION 15
- CALIBRATION CURVES 15
- 14 SMART3 Colorimeter 11.10 16
- SMART3 Colorimeter 11.10 15 17
- STANDARD ADDITIONS 18
- MEASUREMENTS 19
- INTERFERENCES 20
- STRAY LIGHT INTERFERENCE 20
- OPERATION OF THE 21
- SMART3 COLORIMETER 21
- COMPONENTS 22
- GENERAL OPERATING PROCEDURES 23
- 22 SMART3 Colorimeter 11.10 24
- Result or 25
- LOOPING MENUS 26
- TESTING MENU 27
- TEST SEQUENCES 28
- GENERAL TESTING PROCEDURES 28
- 1.00 ppm 30
- SMART3 Colorimeter 11.10 29 31
- 0.28 ppm 32
- 0.30 ppm 33
- 32 SMART3 Colorimeter 11.10 34
- SMART3 Colorimeter 11.10 35 37
- EDITING MENU 38
- SMART3 Colorimeter 11.10 37 39
- Editing/Set Up 39
- ADDING OR DELETING A TEST 40
- ADDING A TEST 40
- DELETING A TEST 42
- SMART3 Colorimeter 11.10 41 43
- EDIT USER TESTS 44
- U V W X 46
- H I J K 46
- S T U V 47
- 2 3 4 5 47
- E P Q R 47
- O P Q R 47
- 46 SMART3 Colorimeter 11.10 48
- 0 1 2 3 50
- 1 1 2 3 50
- . – 0 1 51
- SMART3 Colorimeter 11.10 51 53
- 52 SMART3 Colorimeter 11.10 54
- – 1 2 3 55
- O 1 2 3 55
- . – 0 1 55
- SETTING THE CLOCK 59
- LOGGING DATA 60
- FACTORY SETUP 61
- SETTING POWER SAVE 61
- 60 SMART3 Colorimeter 11.10 62
- SETTING THE BACKLIGHT TIME 63
- SELECTING A LANGUAGE 64
- SMART3 Colorimeter 11.10 63 65
- COMPUTER CONNECTION 66
- BATTERY/AC OPERATION 67
- MAINTENANCE 68
- TROUBLESHOOTING 69
- TROUBLESHOOTING GUIDE 70
- 1910-TEST 71
- 02.13.12 71
- REAGENT SYSTEMS 73
- ALKALINITY–UDV 77
- ALUMINUM 79
- AMMONIA NITROGEN - LOW RANGE 81
- PROCEDURE - FRESH WATER 82
- PROCEDURE - SALT WATER 82
- AMMONIA NITROGEN - HIGH RANGE 84
- BENZOTRIAZOLE/TOLYLTRIAZOLE 89
- BENZOTRIAZOLE PROCEDURE 91
- TOLYLTRIAZOLE PROCEDURE 92
- BIGUANIDE 93
- BORATE - UDV 95
- PROCEDURE 100
- Test Procedures 101
- PROCEDURE A: 102
- BROMINE (NO CHLORINE) 102
- PROCEDURE B: 102
- PROCEDURE C: 103
- BROMINE - UDV 105
- PAN METHOD • CODE 4017-01 109
- CHLORIDE 111
- CHLORINE 113
- PROCEDURE–FREE CHLORINE 115
- PROCEDURE–TOTAL CHLORINE 115
- PROCEDURE–COMBINED CHLORINE 119
- CHLORINE, FREE - UDV 121
- CHLORINE, TOTAL - UDV 125
- CHLORINE DIOXIDE 129
- CHROMIUM, HEXAVALENT 131
- CHROMIUM - HEXAVALENT 133
- TRIVALENT & TOTAL 133
- HEXAVALENT CHROMIUM PROCEDURE 135
- TRIVALENT CHROMIUM PROCEDURE 136
- PAN METHOD · CODE 4851 137
- COD – LOW RANGE 139
- COD – STANDARD RANGE 143
- COD – HIGH RANGE 147
- PLATINUM COBALT METHOD 151
- NO REAGENTS REQUIRED 151
- COPPER – LOW RANGE 153
- CUPRIZONE METHOD • CODE 4023 155
- COPPER – UDV 159
- CODE 3660-01-SC 163
- CYANURIC ACID 167
- CYANURIC ACID – UDV 169
- DISSOLVED OXYGEN 173
- FLUORIDE 177
- HARDNESS, TOTAL – UDV 181
- HYDRAZINE 183
- HYDROGEN PEROXIDE – LOW RANGE 185
- DPD METHOD • CODE 4045-01 187
- HYDROGEN PEROXIDE – SHOCK 189
- IRON – UDV 195
- PAR METHOD · CODE 4031 201
- MANGANESE – LOW RANGE 203
- MANGANESE – HIGH RANGE 205
- TMK METHOD · CODE 4861 207
- PREPARATION OF *TMK INDICATOR 208
- MOLYBDENUM – HIGH RANGE 209
- NITRATE - UDV 215
- NITRATE-NITROGEN – LOW RANGE 219
- NITRITE-NITROGEN – LOW RANGE 223
- NITROGEN, TOTAL 225
- OXYGEN SCAVENGERS 229
- DEHA PROCEDURE 231
- CARBOHYDRAZIDE PROCEDURE 232
- ERYTHORBIC ACID PROCEDURE 233
- HYDROQUINONE PROCEDURE 234
- METHYLETHYLKETOXIME PROCEDURE 235
- DPD METHOD • CODE 4881 237
- PROCEDURE - OZONE ONLY 238
- INDIGO METHOD • CODE 3651-SC 241
- PROCEDURE–LOW RANGE 242
- PROCEDURE–HIGH RANGE 243
- PHOSPHATE – LOW RANGE 251
- PHOSPHATE – HIGH RANGE 255
- PHOSPHATE ppb 257
- PHOSPHORUS, TOTAL - LOW RANGE 261
- DIGESTION • CODE 4025-01 265
- POTASSIUM 269
- SILICA – LOW RANGE 271
- SILICA – HIGH RANGE 275
- SULFATE – HIGH RANGE 277
- SULFIDE – LOW RANGE 279
- SURFACTANTS 283
- CODE 3666-01-SC 285
- TURBIDITY 287
- ZINC – LOW RANGE 289
- APPENDIX 292
- Appendix 293
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