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54

INTERFERENCES

Interference may be caused by:
Arsenate at any level
Silica above 50 mg/L
Sulfide 

above 9 mg/L.

To eliminate sulfide: add Bromine Water drop-wise until a pale yellow color develops; remove Bromine
Water excess by adding Phenol solution drop-wise.

Turbidity and suspended matter in large amounts may cause interference because the strongly acidic
reaction conditions may dissolve suspended matter or cause desorption of phosphates from particles. Before
measurement, turbidity or suspended matter should be removed by treatment with active carbon and by
prior filtration.

Phosphorus, Acid Hydrolyzable

Summary of Contents for HI 83214

Page 1: ...1 Instruction Manual HI 83214 Multiparameter Bench Photometer for Wastewater Treatment w w w h a n n a i n s t c o m...

Page 2: ...NT 8 HEALTH SAFETY 12 METHOD REFERENCE TABLE 13 OPERATIONAL GUIDE 15 SETUP 17 HELP MODE 19 AMMONIA LOW RANGE 20 AMMONIA HIGH RANGE 22 CHLORINE FREE 24 CHLORINE TOTAL 26 NITRATE 28 NITROGEN TOTAL LR 30...

Page 3: ...quid or powder form and are supplied in bottles ready to use vials or packets The amount of reagent is precisely dosed to ensure maximum repeatability HI 83214 bench photometer can be connected to a P...

Page 4: ...peatedmeasurementsagree with each other Precision is usually expressed as standard deviation SD Accuracy is defined as the nearness of a test result to the true value Althoughgoodprecisionsuggestsgood...

Page 5: ...ptical path is fixed by the diameter of the vial Then the light is spectrally filtered to a narrow spectral bandwidth to obtain a light beam of intensity Io or I The photoelectric cell collects the ra...

Page 6: ...6 INSTRUMENT DESCRIPTION 1 Vial holder 2 Liquid Crystal Display LCD 3 Keypad 4 Bottom lid 5 USB connector 6 ON OFF power switch 7 Power supply connector FUNCTIONAL DESCRIPTION...

Page 7: ...ent screen Press to access the method menu Press to move up in a menu or a help screen to increment a set value or to access second level functions Press to move down in a menu or a help screen to dec...

Page 8: ...ic pipette please follow the related Instruction Sheet Alternatively the optional HI 740142 1 mL graduated syringe or HI 740226 5 mL graduated syringe can be used For the correct use of the syringes s...

Page 9: ...vertical position above the vial push the plunger down into the syringe until the lower edge of the seal is exactly on the 0 5 mL mark Now the exact amount of 0 5 mL has been added to the vial even if...

Page 10: ...accurate measurements remove such bubbles by swirling or by gently tapping the vial Proper mixing is very important for reproducibility of the measurements The right way of mixing a vial is specified...

Page 11: ...or a lint free cloth prior to insertion Do not let the reacted sample stand too long after reagent is added For best accuracy respect the timings described in each specific method It is possible to t...

Page 12: ...ethod in the related chapter INTERFERENCES In the method related measurement sections we have reported the most common interferences that may be present in an average wastewater matrix It may be that...

Page 13: ...50 Nitrate 28 6 HI93767A 50 Nitrogen Total LR 30 7 HI93767B 50 Nitrogen Total HR 35 8 HI93754A 25 Oxygen Demand Chemical COD LR 40 9 HI93754B 25 Oxygen Demand Chemical COD MR 43 10 HI93754C 25 Oxygen...

Page 14: ...1 01 Chlorine Total no letter white HI93711 03 HI93766 50 Nitrate N white HI93767A 50 Nitrogen Total LR N LR green digestion vial red reagent vial HI93767B 50 Nitrogen Total HR N HR red digestion vial...

Page 15: ...the Hanna Instrument logo will appear on the LCD After 5 seconds if the test was successful the last method used will appear on the display In order to select the desired method press the METHOD key a...

Page 16: ...ent press LOG The measurement will be stored with date and time stamps Viewing and deleting You can view and delete the data log by pressing the RCL key You can delete the last saved measurement Addit...

Page 17: ...a parameter and depending on the parameter type select the new value as follows Backlight Values 0 to 8 Press the Modify key to access the backlight value Use the u functional keys or the s t keys to...

Page 18: ...ress the functional key to select the desired time format Date format Press the Modify key to change the Date Format Use the s t keys to select the desired format PresstheAcceptkeytoconfirmor ESCtoret...

Page 19: ...reviously selected screen HELP MODE Beeper Option Enable or Disable When enabled a short beep is heard every time a key is pressed A long beep alert sounds when the pressed key is not active or an err...

Page 20: ...ial 25 vials HI 93764 0 Nessler Reagent 4 drops 1 bottle Reagent Vial identification A LR white label Note Store the unused vials in a cool and dark place REAGENT SET HI 93764A 25 Reagents for 25 test...

Page 21: ...eaction Time Alternatively wait for 3 minutes and 30 seconds and press Read The instrument will perform the reading The instrument displays concentration in mg L of ammonia nitrogen NH3 N Press s or t...

Page 22: ...Reagent Vial 1 vial 25 vials HI 93764 0 Nessler Reagent 4 drops 1 bottle Reagent Vial identification A HR green label Note Store the unused vials in their container in a cool and dark place REAGENT S...

Page 23: ...the message Reaction Time Alternatively wait for 3 minutes and 30 seconds and press Read The instrument will perform the reading The instrument displays concentration in mg L of ammonia nitrogen NH3 N...

Page 24: ...causes a pink tint in the sample REQUIRED REAGENTS Code Description Q ty test HI 93701 0 DPD Powder Reagent 1 packet REAGENT SETS HI 93701 01 Reagents for 100 tests HI 93701 03 Reagents for 300 tests...

Page 25: ...Read The instrument will perform the reading The instrument displays concentration in mg L of free chlorine INTERFERENCES Interferences may be caused by Bromine Br2 Iodine I2 Oxidized forms of Chromiu...

Page 26: ...QUIRED REAGENTS Code Description Q ty test HI 93711 0 DPD Powder Reagent 1 packet REAGENT SETS HI 93711 01 Reagents for 100 tests HI 93711 03 Reagents for 300 tests For other accessories see page 68 M...

Page 27: ...ss Read The instrument will perform the reading The instrument directly displays concentration in mg L of total chlorine INTERFERENCES Interferences may be caused by Bromine Br2 Iodine I2 Oxidized for...

Page 28: ...NT PROCEDURE BeforeusingthereagentkitcarefullyreadalltheinstructionsandtheMaterialSafetyDataSheet MSDS Pay particular attention to all warnings cautions and notes Failure to do so may result in seriou...

Page 29: ...t completely down Press Timer and the display will show the countdown prior to the measurement and the Reaction Time message Alternatively wait for 5 minutes and press Read The instrument will perform...

Page 30: ...RSULFATE N Potassium Persulfate 1 packet 50 packets BISULFITE N Sodium Metabisulfite 1 packet 50 packets HI 93767 0 Total Nitrogen Reagent 1 packet 50 packets HI 93766V 0LR Reagent Vial 1 vial 50 vial...

Page 31: ...rature Always use the same lot of reagents for blank and samples For most accurate measurement run a blank for each set ofmeasurements Preheat the Hanna Reactor HI 839800 to 105 C 221 F For correct us...

Page 32: ......

Page 33: ...sample vial to one Reagent Vial sample vial and 2 0 mL of digested blank blank vial to the other Reagent Vial blank vial while keeping the vials at a 45 degree angle Replace the cap tightly and invert...

Page 34: ...vial into the holder and push it completely down Press Read The instrument will perform the reading The instrument displays concentration in mg L of total nitrogen N Press s or t to convert the result...

Page 35: ...SULFATE N Potassium Persulfate 1 packet 50 packets BISULFITE N Sodium Metabisulfite 1 packet 50 packets HI 93767 0 Total Nitrogen Reagent 1 packet 50 packets HI 93766V 0HR Reagent Vial 1 vial 50 vials...

Page 36: ...of reagents for blank and samples For most accurate measurement run a blank for each set ofmeasurements Preheat the Hanna Reactor HI 839800 to 105 C 221 F For correct use of the reactor follow Reactor...

Page 37: ...and allow to cool to room temperature Warning As the vials are still hot be careful in handling them Select Nitrogen Total HR method following one of the procedures described in the Method Selection s...

Page 38: ...cap from two Reagent Vials green label Add exactly 2 0 mL of digested sample sample vial to one Reagent Vial sample vial and 2 0 mL of digested blank blank vial to the other vial blank vial while keep...

Page 39: ...blank vial and place the sample vial into the holder and push it completely down Press Read The instrument will perform the reading The instrument displays the concentration in mg L of total nitrogen...

Page 40: ...d vials in their container in a cool and dark place REAGENT SET HI 93754A 25 Reagents for up to 24 tests REQUIRED ACCESSORIES HI 839800 01 Hanna reactor 115 VAC HI 839800 02 Hanna reactor 230 VAC HI 7...

Page 41: ...ed water to the other vial blank vial while keeping the vials at a 45 degree angle Replace the cap tightly and mix by inverting each vial a couple of times Warning The vials will become hot during mix...

Page 42: ...ence and after a few seconds the display will show 0 0 Now the meter is zeroed and ready for measurement Remove the blank vial Place the sample vial into the holder and push it completely down Press R...

Page 43: ...nused vials in their container in a cool and dark place REAGENT SET HI 93754B 25 Reagents for up to 24 tests REQUIRED ACCESSORIES HI 839800 01 Hanna reactor 115 VAC HI 839800 02 Hanna reactor 230 VAC...

Page 44: ...while keeping the vials at a 45 degree angle Replace the cap tightly and mix by inverting each vial a couple of times Warning The vials will become very hot during mixing be careful when handling them...

Page 45: ...sequence and after a few seconds the display will show 0 0 Now the meter is zeroed and ready for measurement Remove the blank vial Place the sample vial into the holder and push it completely down Pre...

Page 46: ...e the unused vials in their container in a cool and dark place REAGENT SET HI 93754C 25 Reagents for up to 24 tests REQUIRED ACCESSORIES HI 839800 01 Hanna reactor 115 VAC HI 839800 02 Hanna reactor 2...

Page 47: ...ing the vials at a 45 degree angle Replace the cap tightly and mix by inverting each vial a couple of times Warning The vials will become very hot during mixing be careful when handling them Insert th...

Page 48: ...sequence and after a few seconds the display will show 0 0 Now the meter is zeroed and ready for measurement Remove the blank vial Place the sample vial into the holder and push it completely down Pre...

Page 49: ...et 50 packets Reagent Vial identification P R red label REAGENT SET HI 93758A 50 Reagents for 50 tests For other accessories see page 68 MEASUREMENT PROCEDURE Select the Phosphorus Reactive method fol...

Page 50: ...ate PO4 3 or mg L of P2 O5 Note For accurate measurements 1 wash glassware only with phosphate free detergents 2 clean all glassware with 1 1 hydrochloric acid solution and rinse with deionized water...

Page 51: ...Reagent 1 packet 50 packets Reagent Vial identification P AH white label Note Store the unused vials in their container in a cool and dark place REAGENT SET HI 93758B 50 Reagents for 50 tests For othe...

Page 52: ...n the test tube rack and allow to cool to room temperature Warning The vials are still hot be careful when handling them Select the Phosphorus Acid Hydrolyzable method following one of the procedures...

Page 53: ...etely down Press Timer and the display will show the countdown prior to the measurement and the Reaction Time message Alternatively wait for 3 minutes and press Read The instrument will perform the re...

Page 54: ...omine Water excess by adding Phenol solution drop wise Turbidity and suspended matter in large amounts may cause interference because the strongly acidic reaction conditions may dissolve suspended mat...

Page 55: ...eagent Vial 1 vial 50 vials HI 93758C 0 NaOH Solution 1 54 N 2 mL 1 bottle HI 93758 0 Phosphorus Reagent 1 packet 50 packets PERSULFATE P Potassium Persulfate 1 packet 50 packets Reagent Vial identifi...

Page 56: ...and shake gently the vial until all the powder is completely dissolved Insert the vial into the reactor and heat it for 30 minutes at 150 C At the end of the digestion place the vials carefully in th...

Page 57: ...ompletely dissolved This is the sample Place the vial into the holder and push it completely down Press Timer and the display will show the countdown prior to the measurement and the Reaction Time mes...

Page 58: ...aused by Arsenate at any level Silica above 50 mg L Sulfide above 90 mg L Turbidity and suspended matter in large amounts may cause interference because the strongly acidic reaction conditions may dis...

Page 59: ...HR green label Note Store the unused vials in their container in a cool and dark place REAGENT SET HI 93763A 50 Reagents for up to 49 tests For other accessories see page 68 MEASUREMENT PROCEDURE Reag...

Page 60: ...ion Time message Alternatively wait for 7 minutes and press Zero The instrument will perform a zero sequence and after a few seconds the display will show 0 0 Now the meter is zeroed and ready for mea...

Page 61: ...move Bromine Water excess by adding Phenol solution drop wise Temperature the method is temperature sensitive It is recommended to run measurements at T 20 to 25 C T 20 C causes a negative error T 25...

Page 62: ...50 vials HI 93758C 0 NaOH Solution 1 54 N 2 mL 1 bottle HI 93763B 0 Molybdovanadate Reagent 0 5 mL 1 bottle DEIONIZED120 Deionized Water 5 mL 1 bottle PERSULFATE P Potassium Persulfate 1 packet 50 pa...

Page 63: ...ly recommended DONOTUSEANOVENORMICROWAVEsamplesmayleakandgenerateacorrosiveandpossiblyexplosive atmosphere Remove the caps from two Reagent Vials Add exactly 5 0 mL of sample to one vial sample vial a...

Page 64: ...he vials a couple of times Remove the cap from the vials and add exactly 0 5 mL of HI 93763B 0 Molybdovanadate Reagent to each vial while keeping the vial at a 45 degree angle Replace the cap tightly...

Page 65: ...e detergents 2 clean all glassware with 1 1 hydrochloric acid solution and rinse with deionized water INTERFERENCES Arsenate pH the sample should have a neutral pH Temperature the method is temperatur...

Page 66: ...ing properly Light Leak There is too much light when dark current is measured Inverted vials The sample and the zero vials are inverted to each other ERRORS AND WARNINGS Light Low The instrument canno...

Page 67: ...D MR 0 to 1500 mg L Dichromate Mercuric Sulfate COD HR 0 to 15000 mg L Dichromate Mercuric Sulfate Phosphorus Reactive 0 00 to 1 60 mg L Ascorbic Acid Phosphorus Acid Hydrolyzable 0 00 to 1 60 mg L As...

Page 68: ...50 50 total nitrogen LR tests HI 93767B 50 50 total nitrogen HR tests OTHER ACCESSORIES HI 839800 01 Hanna Reactor 115 VAC HI 839800 02 Hanna Reactor 230 VAC HI 731318 Cloth for wiping vials 4 pcs HI...

Page 69: ...btain a Returned Goods Authorization Number from the Customer Service Department and then send it with shipment costs prepaid When shipping any instrument make sure it is properly packaged for complet...

Page 70: ...in which they are used Operation of these instruments may cause unacceptable interferences to other electronic equipments this requiring the operator to take all necessary steps to correct interferenc...

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