Hanna Instruments HI 83214 Скачать руководство пользователя страница 40 | Manualshive

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Hanna Instruments HI 83214 Скачать руководство пользователя страница 40

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OXYGEN DEMAND, CHEMICAL LOW RANGE

SPECIFICATIONS

Range

0 to 150 mg/L COD

Resolution

1 mg/L

Accuracy

±5 mg/L or ±5 % of reading @ 25 °C, whichever is greater

Light Source

Tungsten lamp with narrow band interference filter @ 420 nm

Method

Adaptation of the USEPA 410.4 approved method for the COD determination on surface
waters and wastewaters. Oxidizable organic compounds reduce the dichromate ion
(orange) to the chromic ion (green). The amount of remaining dichromate is determined.

REQUIRED REAGENTS

Code

Description

Q.ty/test

Q.ty/set

COD-LR*

Reagent Vial

1 vial

25 vials

DEIONIZED120

Deionized Water

2.0 mL

optional

*

Reagent Vial identification:

COD A

, red label.

Note

: Store the unused 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 740216

Test tube cooling rack (25 holes)

HI 740217

Laboratory bench safety shield

For other accessories see page 68.

MEASUREMENT PROCEDURE

Before using the reagent kit carefully read all the instructions and the Material Safety Data Sheet
(MSDS). Pay particular attention to all warnings, cautions and notes. Failure to do so may result
in serious injury to the operator.

Reagent Blank Correction

: This method requires a reagent blank correction. A single blank vial may be used

more than once. The blank vial is stable for several months (room temperature). For most accurate measurement,
run a blank for each set of measurements and always use the same lot of reagents for blank and samples.

COD LR

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Содержание HI 83214

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 32: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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