Hanna-instruments HI 83213-2008 Manual de usuario Pagina 25
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25
Free Chlorine
FREE CHLORINE
SPECIFICATIONS
Range 0.00 to 2.50 mg/L
Resolution 0.01 mg/L
Accuracy ±0.03 mg/L ±3% of reading at 25 °C
Typical EMC ±0.01 mg/L
Deviation
Light Source Tungsten lamp with narrow band interference filter @ 525 nm
Method Adaptation of the
EPA DPD method 330.5.
The reaction between free chlorine and the
DPD reagent causes a pink tint in the sample.
REQUIRED REAGENTS
POWDER:
Code Description Quantity
HI 93701-0 DPD 1 packet
LIQUID:
Code Description Quantity
HI 93701A-F DPD1 Indicator 3 drops
HI 93701B-F DPD1 Buffer 3 drops
REAGENT SETS
HI 93701-F Reagents for 300 tests (liquid)
HI 93701-01 Reagents for 100 tests (powder)
HI 93701-03 Reagents for 300 tests (powder)
For other accessories see page 72.
MEASUREMENT PROCEDURE
• Select the
Free Chlorine
method using the procedure described
in the
Method Selection
section (see page 12).
• Fill the cuvette with 10 mL of unreacted sample (up to the
mark) and replace the cap.
• Place the cuvette into the holder and close the lid.
10 mL
- HI 83213 1
- TABLE OF CONTENTS 2
- PRELIMINARY EXAMINATION 3
- ABBREVIATIONS 3
- GENERAL DESCRIPTION 3
- PRINCIPLE OF OPERATION 4
- PRECISION AND ACCURACY 4
- FUNCTIONAL DESCRIPTION 6
- KEYPAD DESCRIPTION 7
- USING CUVETTES 9
- INTERFERENCES 10
- METHOD REFERENCE TABLE 11
- HEALTH & SAFETY 11
- OPERATIONAL GUIDE 12
- DATA MANAGEMENT 13
- CHEMICAL FORM 13
- SETUPSETUP 14
- HELP MODE 16
- HELP MODEHELP MODE 16
- ALUMINUM 17
- AMMONIA MEDIUM RANGE 19
- AMMONIA LOW RANGE 21
- SPECIFICATIONS 23
- REQUIRED REAGENTS 23
- REAGENT SETS 23
- MEASUREMENT PROCEDURE 23
- FREE CHLORINE 25
- Free Chlorine 26
- TOTAL CHLORINE 28
- Total Chlorine 29
- CHROMIUM VI HIGH RANGE 31
- CHROMIUM VI LOW RANGE 33
- COLOR OF WATER 35
- Color of Water 36
- COPPER HIGH RANGE 37
- COPPER LOW RANGE 39
- NICKEL HIGH RANGE 43
- NICKEL LOW RANGE 45
- Nickel LR 46
- NITRITE HIGH RANGE 50
- Nitrite HR 51
- NITRITE LOW RANGE 52
- DISSOLVED OXYGEN 54
- PHOSPHATE HIGH RANGE 58
- PHOSPHATE LOW RANGE 60
- PHOSPHORUS 62
- REQUIRED REAGENT 67
- ERRORS AND WARNINGS 69
- STANDARD METHODS 71
- ACCESSORIES 72
- WARRANTY 74
- HANNA LITERATURE 75
- Printed in EUROPE 76
- (ROMANIA) 76
- MAN83213 04/10 76
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