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22

METHOD PROCEDURE

Note:

For wastewater or seawater samples, before performing measurements,

distillation is required.

INTERFERENCES

Interference may be caused by:
• Alkalinity above 5000 mg/L CaCO

3

• Chloride above 700 mg/L
• Sulfate above 200 mg/L
• Orthophosphate above 16 mg/L
• Aluminum above 0.1 mg/L
• Iron (Ferric) above 10 mg/L
• Sodium hexametaphosphate above 1.0 mg/L
• Highly-colored and turbid samples may require distillation
• Highly-alkaline samples can be neutralized with nitric acid

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Содержание HI97739

Страница 1: ...INSTRUCTION MANUAL HI97739 Fluoride High Range Photometer...

Страница 2: ...a Hanna Instruments product Pleasereadthisinstructionmanualcarefullybeforeusingthisinstrument This manual will provide you with the necessary information for correct use of this instrument as well as...

Страница 3: ...GENERAL OPERATIONS 11 6 1 METER VALIDATION CAL CHECK CALIBRATION 11 6 2 GLP 13 6 3 LOGGING DATA LOG RECALL 13 6 4 GENERAL SETUP 14 6 5 REAGENTS ACCESSORIES 16 6 6 CONTEXTUAL HELP 16 6 7 BATTERY MANAG...

Страница 4: ...r Fluoride High Range HI97739B CAL Check Cuvette B for Fluoride High Range Cloth for wiping cuvettes 1 5V AA Alkaline batteries CAL Check standard certificate Instrument quality certificate Instructio...

Страница 5: ...e up immediately and rinse with plenty of water If reagent contacts skin rinse the affected area thoroughly with water Avoid breathing released vapors Waste disposal For proper disposal of reagent kit...

Страница 6: ...wavelength accuracy 1 0 nm Light detector Silicon photocell Cuvette type Round 24 6 mm diameter 22 mm inside Additional Specifications Auto logging 50 readings Display 128 x 64 pixel B W LCD with back...

Страница 7: ...ormance of the instrument at any time and apply a user calibration if necessary Hanna Instruments CAL Check cuvettes are made with NIST traceable standards The built in tutorial mode guides users step...

Страница 8: ...ver Keypad Description The keypad contains 3 direct keys and 3 functional keys with the following functions Press the functional key to perform the function displayed above it on the LCD Press and hol...

Страница 9: ...sorbed by atoms molecules or crystal lattices Photometric chemical analysis is based on specific chemical reactions between a sample and reagent to produce a light absorbing compound If pure absorptio...

Страница 10: ...luminous efficiency providing more light while using less power They also produce little heat which could otherwise affect electronic stability LEDs are available in a wide array of wavelengths wherea...

Страница 11: ...ified value in measurement mode Protect the CAL Check cuvettes from direct sunlight by keeping them in the original packing Store between 5 and 30 C 41 to 86 F do not freeze To perform a CAL Check 1 P...

Страница 12: ...rement PASSED The measured value is within the accuracy specification no user calibration is required OUT OF SPECIFICATION and Calibrate is available The measured value is near the expected value To u...

Страница 13: ...l measurements Every time a measurement is made the data is automatically saved The data log can hold 50 individual measurements When the data log is full 50 data points the meter will rewrite the old...

Страница 14: ...ease or decrease the value Press Accept to confirm or the key to return to the Setup menu without saving the new value Contrast Option 0 to 100 Press Modify to change the display s contrast Use the fu...

Страница 15: ...ption Comma or Period Press the functional key to select the desired decimal separator The decimal separator is used on the measurement screen Language Press Modify to change the language Use the func...

Страница 16: ...ore Factory Settings Press Select to reset to factory settings Press Accept to confirm or Cancel to exit without restoring the factory settings 6 5 REAGENTS ACCESSORIES Press the key to enter the menu...

Страница 17: ...o diagnostic test when it is powered on During this test the Hanna Instruments logo will appear on the LCD If the auto diagnostic test was successful the meter is ready for use The battery icon on the...

Страница 18: ...s been delivered into the cuvette 7 2 CUVETTE PREPARATION Proper mixing is very important for reproducibility of the measurements The proper mixing technique is listed in the method procedure Invert t...

Страница 19: ...s remove such bubbles by swirling or by gently tapping the cuvette Do not let the reacted sample stand too long after reagent has been added For best accuracy respect the timings described in the meth...

Страница 20: ...e If tutorial mode is disabled follow the measurement procedure below If the tutorial mode is enabled press Measure and follow the messages on the screen Use a 1 mL syringe and add 2 mL of HI93739A 0...

Страница 21: ...d add 1 mL of unreacted sample to the cuvette Replace the plastic stopper and the cap Invert several times to mix Insert the cuvette into the holder and ensure that the notch on the cap is positioned...

Страница 22: ...nce may be caused by Alkalinity above 5000 mg L CaCO3 Chloride above 700 mg L Sulfate above 200 mg L Orthophosphate above 16 mg L Aluminum above 0 1 mg L Iron Ferric above 10 mg L Sodium hexametaphosp...

Страница 23: ...the zero cuvettes are inverted Swap the cuvettes and repeat the measurement There is either too much light or the instrument can not adjust the light level Please check the preparation of the zero cu...

Страница 24: ...e meter If the issue persists please contact Hanna Instruments technical support Battery level is too low for the meter to function properly Replace the batteries with new ones Tutorial mode has been...

Страница 25: ...IES 11 1 REAGENT SETS Code Description HI93739 01 Fluoride HR Reagent 100 tests HI93739 03 Fluoride HR Reagent 300 tests 11 2 OTHER ACCESSORIES Code Description HI7101412 blue carrying case for HI977x...

Страница 26: ...hich it is used Any variation introduced by the user to the supplied equipment may degrade the meter s performance For yours and the meter s safety do not use or store the meter in hazardous environme...

Страница 27: ...Hanna Instruments reserves the right to modify the design construction or appearance of its products without advance notice...

Страница 28: ...World Headquarters Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com MAN97739 Printed in ROMANIA...

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