Hanna-instruments HI 83225 Manual de usuario Pagina 24
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Ammonia HR
SPECIFICATIONS
Range 0 to 100 mg/L
Resolution 1 mg/L
Accuracy ±1 mg/L ±4% of reading at 25 °C
Typical EMC Dev. ±1 mg/L
Light Source Tungsten lamp with narrow band interference filter @ 420 nm
Method Adaptation of the
ASTM Manual of Water and Environmental Technology, D1426-92
,
Nessler method. The reaction between ammonia and reagents causes a yellow tint in
the sample.
REQUIRED REAGENTS
Code Description Quantity
HI 93715A-0 First Reagent 4 drops (6 drops for seawater)
HI 93715B-0 Second Reagent 4 drops (10 drops for seawater)
REAGENT SETS
HI 93715-01 Reagents for 100 tests
HI 93715-03 Reagents for 300 tests
For other accessories see page 57.
MEASUREMENT PROCEDURE
ATTENTION:
Note: for sample preparation follow the NUTRIENTS SOLUTION (HR) procedure at page 22.
• Select the
Ammonia HR
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.
• Press the Zero key. The display will show “-0.0-” when the meter is zeroed and ready for
measurement.
AMMONIA HIGH RANGE
10 mL
- HI 83225 1
- TABLE OF CONTENTS 2
- PRELIMINARY EXAMINATION 3
- GENERAL DESCRIPTION 3
- PRECISION AND ACCURACY 4
- SPECIFICATIONS 4
- ABBREVIATIONS 4
- PRINCIPLE OF OPERATION 5
- FUNCTIONAL DESCRIPTION 6
- KEYPAD DESCRIPTION 7
- USING CUVETTES 9
- INTERFERENCES 10
- HEALTH & SAFETY 11
- METHOD REFERENCE TABLE 11
- OPERATIONAL GUIDE 12
- DATA MANAGEMENT 13
- CHEMICAL FORM 13
- SETUPSETUP 14
- HELP MODE 16
- HELP MODEHELP MODE 16
- INTRODUCTION 17
- POTASSIUM 18
- PHOSPHORUS 18
- IRRIGATION WATER (LOW RANGE) 19
- SAMPLE PREPARATION 20
- AMMONIA HIGH RANGE 24
- AMMONIA MEDIUM RANGE 26
- AMMONIA LOW RANGE 28
- NITRATE HIGH RANGE 30
- NITRATE MEDIUM RANGE 32
- NITRATE LOW RANGE 34
- PHOSPHORUS HIGH RANGE 36
- PHOSPHORUS MEDIUM RANGE 38
- PHOSPHORUS LOW RANGE 40
- POTASSIUM HIGH RANGE 42
- Potassium HR 43
- POTASSIUM ULTRA HIGH RANGE 44
- POTASSIUM MEDIUM RANGE 45
- POTASSIUM LOW RANGE 47
- REQUIRED REAGENTS 49
- REAGENT SETS 49
- MEASUREMENT PROCEDURE 49
- INTERFERENCES: 50
- MAGNESIUM 51
- ERRORS AND WARNINGS 55
- ACCESSORIES 57
- STANDARD METHODS 57
- HANNA LITERATURE 59
- WARRANTY 59
- Printed in EUROPE 60
- (ROMANIA) 60
- MAN83225 06/10 60
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