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39

• Replace the cap tightly and shake the vials vigorously for about

30 seconds until all the powder is completely dissolved.

•

Insert the vials into the reactor and
heat them for 30 minutes at 105°C.

Note

: to obtain most accurate

results, it is strongly recommended
to remove the vials frome the reactor
after exactly 30 minutes.

•

At the end of the digestion period
switch off the reactor, place the vials
carefully in the test tube rack  and
allow to cool to room temperature.

Warning

: as the vials are still hot, be

careful in handling them.

• Select the program number corresponding to Total Nitrogen LR on the

secondary LCD by pressing PROGRAM 

t

 and 

s

.

•

Remove the cap from the vials and add the content of one packet
of Sodium Metabisulfite for Total Nitrogen analysis to each vial.
Replace the cap tightly and shake gently the vials for 15 seconds.

•

Wait for 3 minutes (without shaking the vials)
to allow the reaction to complete.

Nitrogen, Total LR

42

NITROGEN, TOTAL HIGH RANGE

SPECIFICATIONS

Range

10 to 150 mg/L

Resolution

1 mg/L

Precision

±3 @ 75 mg/L

Typical EMC

±1 mg/L

Deviation
Light Source

Tungsten lamp with narrow band interference filter
@ 420 nm

Method

Chromotropic acid method. A persulfate digestion
converts all forms of nitrogen to nitrate. Then the
reaction between nitrate and the reagents causes
a yellow tint in the sample.

REQUIRED REAGENTS

Code

Description

Q.ty/test Q.ty/set

*

Digestion Vial

1 vial

50 vials

---

Deionized Water

0.5 mL

1 bottle

---

Potassium Persulfate

1 packet

50 packets

---

Sodium Metabisulfite

1 packet

50 packets

HI 93767-0

Total Nitrogen Reagent 1 packet

50 packets

**

Reagent Vial

1 vial

50 vials

*

Digestion Vial identification

: 

N

, 

red 

cap.

**

Reagent Vial identification

: 

N

, 

white 

cap.

Note

: Store the unused vials in their container in a cool and dark place.

REAGENT SET

HI 93767B-50

Reagents for up to 49 tests. Contains:
Box 1: HI 93767B-50 Reagent Set
Box 2: HI 93767A&B-50 Reagent Set, for both

HI 93767A and HI 93767B parameter.

For other accessories see page 77.

REQUIRED ACCESSORIES

C 9800-01

Hanna reactor (115 VAC)

C 9800-02

Hanna reactor (230 VAC)

HI 740216

test tube cooling rack (25 holes)

HI 740217

Laboratory bench safety shield

For other accessories see page 77.

Nitrogen, Total HR

Summary of Contents for C 214

Page 1: ...10 e mail hannagr otenet gr Indonesia Tel 21 4584 2941 Fax 21 4584 2942 e mail transit dnet net id Japan Tel 03 3258 9565 Fax 03 3258 9567 e mail sales hanna co jp Korea Tel 02 2278 5147 Fax 02 2264 1729 e mail mccoyhan chollian net Malaysia Tel 603 5638 9940 Fax 603 5638 9829 e mail hannamal tm net my Norway Tel 23 3811 00 Fax 23 3811 01 e mail hanna hannainst no Singapore Tel 6296 7118 Fax 6291 ...

Page 2: ...e warranted for two years against defects in workmanship and materials when used for its intended purpose and maintained according to the instructions This warranty is limited to repair or replacement free of charge Damages due to accident misuse tampering or lack of prescribed maintenance are not covered If service is required contact your dealer If under warranty report the model number date of ...

Page 3: ...ange LR low range mg L milligrams per liter mg L is equivalent to ppm part per million mL milliliter MR medium range µg L micrograms per liter µg L is equivalent to ppb part per billion ABBREVIATIONS 78 Recommendations for Users Before using these products make sure that they are entirely suitable for your specific application and for the environment in which they are used Operation of these instr...

Page 4: ...e tests HI 93701 03 300 free chlorine tests HI 93711 01 100 total chlorine tests HI 93711 03 300 total chlorine tests HI 93754A 25 25 COD LR tests HI 93754B 25 25 COD MR tests HI 93754C 25 25 COD HR tests HI 93758A 50 50 reactive phosphorus tests HI 93758B 50 50 acid hydrolyzable phosphorus tests HI 93758C 50 50 total phosphorus tests HI 93763A 50 50 reactive phosphorus HR tests HI 93763B 50 50 to...

Page 5: ...hromotropic Acid Nitrogen Total HR 10 to 150 mg L Chromotropic Acid COD LR 0 to 150 mg L Dichromate Mercuric Sulphate COD MR 0 to 1500 mg L Dichromate Mercuric Sulphate COD HR 0 to 15000 mg L Dichromate Mercuric Sulphate Phosphorus Reactive 0 00 to 5 00 mg L Ascorbic Acid Phosphorus Acid Hydrolyzable 0 00 to 5 00 mg L Ascorbic Acid Phosphorus Total 0 00 to 3 50 mg L Ascorbic Acid Phosphorus Reacti...

Page 6: ...ossibility to develop an absorbing compound from a specific chemical reaction between sample and reagents Given that the absorption of a compound strictly depends on the wavelength of the incident light beam a narrow spectral bandwidth should be selected as well as a proper central wavelength to optimize measurements The optical system of Hanna s C 99 C 200 Series multiparameter photometers is bas...

Page 7: ...sary to close the vial to prevent any contamination 74 Excel Copyright of Microsoft Co Lotus 1 2 3 Copyright of Lotus Co TELIX is registered Trademark of Deltacomm Windows and Windows Terminal are registered Trademark of Microsoft Co To connect your meter to the PC use the optional HI 920010 available from your Hanna Dealer Make sure that your meter is switched off and plug the connectors one into...

Page 8: ...rms meta pyro and other polyphosphates and organic forms of phosphates present in the sample To convert the reading to mg L of P2 O5 multiply by a factor of 0 748 To convert the reading to mg L of phosphorus P concentration multiply by a factor of 0 326 Note for accurate measurements 1 wash glassware only with phosphate free detergents 2 cleanallglasswarewith1 1hydrochloricacidsolutionandrinsewith...

Page 9: ...our dealer or the nearest Hanna Customer Service Center 72 At the end of the digestion place the vialscarefullyinthetesttuberackand allow to cool to room temperature Warning as the vials are still hot be careful in handling them Select the program number corresponding to Total Phosphorus High Range on the secondary LCD by pressing PROGRAM t and s Remove the cap from the vials and add exactly 2 0 m...

Page 10: ...s inserted 71 Reagent Blank Correction This method needs a reagent blank correction A single blank vial may be used more than once the blank vial is stable up to one day 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 Preheat the Hanna Reactor C 9800 to 150 C 302 F For correct use of the reactor f...

Page 11: ...on of Water and Wastewater 20th edition 4500 P C vanadomolybdophosphoric acid method A persulfate digestion converts organic and condensed inorganic forms of phosphates to orthophosphate Then the reaction between orthophosphate and the reagents causes a yellow tint in the sample REQUIRED REAGENTS Code Description Q ty test Q ty set Reagent Vial 1 vial 50 vials Deionized Water 5 mL 1 bottle Potassi...

Page 12: ...e exact amount of 5 mL has been added to the vial TIPS FOR AN ACCURATE MEASUREMENT c a b 69 Place the sample vial into the holder and push it completely down Press READ DIRECT and SIP will blink on the display The instrument directly displays concentration in mg L of phosphate PO4 3 on the Liquid Crystal Display To convert the reading to mg L of P2 O5 multiply by a factor of 0 748 To convert the r...

Page 13: ...ER REAGENTS Proper use of the dropper a to get good reproducible results tap the dropper on the table for several times and wipe the outside of the dropper tip with a cloth b always keep the dropper bottle in a vertical position while dosing the reagent a b c a b 68 Select the program number corresponding to Reactive Phosphorus High Range on the secondary LCD by pressing PROGRAM t and s Remove the...

Page 14: ...th the icon c a b invert to mix 67 PHOSPHORUS REACTIVE HIGH RANGE SPECIFICATIONS Range 0 0 to 100 0 mg L as PO4 3 Resolution 0 1 mg L Precision 3 0 75 0 mg L Typical EMC 0 1 mg L Deviation Light Source Tungsten lamp with narrow band interference filter 420 nm Method Adaptation of the Standard Methods for the Examination of Water and Wastewater 20th edition 4500 P C vanadomolybdophosphoric acid met...

Page 15: ...ll blink during measurement The instrument directly displays concentration in mg L of phosphate PO4 3 on the Liquid Crystal Display The method detects free orthophosphate condensed inorganic forms meta pyro and other polyphosphates and organic forms of phosphates present in the sample To convert the reading to mg L of P2 O5 multiply by a factor of 0 748 To convert the reading to mg L of phosphorus...

Page 16: ...ifference that for the blank deionized water is used instead of sample A blank vial may be used more than once stability and storing conditions are described for each parameter in the related chapter INTERFERENCES In the parameter related measurement sections we have reported the most common interferences that may be present in an average wastewater matrix It may be that for a particular treatment...

Page 17: ...0 to 150 C 302 F For correct use of the reactor follow Reactor Instruction Manual UseoftheoptionalHI740217safetyshieldisstronglyrecommended Do not use an oven or microwave because leaking samples can generate a corrosive and possibly explosive atmosphere Remove the cap from a Reagent Vial Add exactly 5 0 mL of sample to the vial while keeping the vial at a 45 degree angle Add the content of one pa...

Page 18: ... 50 mg L as PO4 3 Resolution 0 01 mg L Precision 0 06 2 50 mg L Typical EMC 0 01 mg L Deviation Light Source Tungsten lamp with narrow band interference filter 610 nm Method Adaptation of the EPA method 365 2 and Standard Methods for the Examination of Water and Wastewater 20th edition 4500 P E ascorbic acid method A persulfate digestion converts organic and condensed inorganic forms of phosphates...

Page 19: ... other polyphosphates of phosphates present in the sample To convert the reading to mg L of P2 O5 multiply by a factor of 0 748 To convert the reading to mg L of phosphorus P concentration multiply by a factor of 0 326 Note for accurate measurements 1 wash glassware only with phosphate free detergents 2 cleanallglasswarewith1 1hydrochloricacidsolutionandrinsewith deionized water INTERFERENCES Inte...

Page 20: ...ameters reference table on page 17 or look at the list printed on the mask of the meter OPERATIONAL GUIDE 61 Mark the vial with a pencil on the white band to place an orientation sign Use this sign to insert the test vial always in the same position into the holder Place the vial into the holder and push it completely down Press ZERO and SIP will blink on the display Wait for a few seconds and the...

Page 21: ...because leaking samples can generate a corrosive and possibly explosive atmosphere Remove the cap from a Reagent Vial Add exactly 5 0 mL of sample to the vial while keeping the vial at a 45 degree angle Replace the cap and mix by inverting the vial a couple of times Insert the vial into the reactor and heat it for 30 minutes at 150 C At the end of the digestion place the vialscarefullyinthetesttub...

Page 22: ...olution 0 01 mg L Precision 0 06 2 50 mg L Typical EMC 0 01 mg L Deviation Light Source Tungsten lamp with narrow band interference filter 610 nm Method Adaptation of the EPA method 365 2 and Standard Methods for the Examination of Water and Wastewater 20th edition 4500 P E ascorbic acid method A mild acid digestion converts condensed inorganic forms of phosphates to orthophosphate Then the reacti...

Page 23: ... during measurement Ammonia LR 58 The instrument directly displays concentration in mg L of phosphate PO4 3 on the Liquid Crystal Display To convert the reading to mg L of P2 O5 multiply by a factor of 0 748 To convert the reading to mg L of phosphorus P concentration multiply by a factor of 0 326 Note for accurate measurements 1 wash glassware only with phosphate free detergents 2 cleanallglasswa...

Page 24: ...ntation sign Use this sign to insert the test vial always in the same position into the holder Place the vial into the holder and push it completely down Press ZERO and SIP will blink on the display Wait for a few seconds and the display will show 0 0 Now the meter is zeroed and ready for measurement Remove the vial Remove the cap and add the content of one packet of HI 93758 0 Phosphorus Reagent ...

Page 25: ...ce the cap and mix by inverting the vial a couples of times This is the blank Ammonia HR 56 PHOSPHORUS REACTIVE SPECIFICATIONS Range 0 00 to 5 00 mg L as PO4 3 Resolution 0 01 mg L Precision 0 05 2 50 mg L Typical EMC 0 01 mg L Deviation Light Source Tungsten lamp with narrow band interference filter 610 nm Method Adaptation of the EPA method 365 2 and Standard Methods for the Examination of Water...

Page 26: ...l show the countdown prior to the measurement Alternatively wait for 3 minutes and 30 seconds and press READ DIRECT In both cases SIP will blink during measurement Ammonia HR 55 COD HR Select the program number corresponding to Oxygen Demand Chemical HR COD on the secondary LCD by pressing PROGRAM t and s Place the blank vial into the holder and push it completely down Press ZERO and SIP will blin...

Page 27: ...on Manual UseoftheoptionalHI740217safetyshieldisstronglyrecommended Do not use an oven or microwave because leaking samples can generate a corrosive and possibly explosive atmosphere Remove the cap from two Reagent Vials Add exactly 0 2 mL of sample to one vial sample vial and 0 2 mL of deionized water to the other vial blank vial while keeping the vials at a 45 degree angle Replace the cap tightl...

Page 28: ...ATIONS Range 0 to 15000 mg L Resolution 10 mg L Precision 220 10000 mg L Typical EMC 10 mg L Deviation Light Source Tungsten lamp with narrow band interference filter 610 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 chromic ion ...

Page 29: ... L of free chlorine on the Liquid Crystal Display INTERFERENCES A positive interference may be caused by Bromine Br2 Iodine I2 Chlorine Free 52 COD MR Select the program number corresponding to Oxygen Demand Chemical MR COD on the secondary LCD by pressing PROGRAM t and s Place the blank vial into the holder and push it completely down Press ZERO and SIP will blink on the display Wait for a few se...

Page 30: ...rowave because leaking samples can generate a corrosive and possibly explosive atmosphere Remove the cap from two Reagent Vials Add exactly 2 0 mL of sample to one vial sample vial and 2 0 mL of deionized 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 as the vials become very hot durin...

Page 31: ...FICATIONS Range 0 to 1500 mg L Resolution 1 mg L Precision 22 1000 mg L Typical EMC 1 mg L Deviation Light Source Tungsten lamp with narrow band interference filter 610 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 chromic ion fo...

Page 32: ...n both cases SIP will blink during measurement The instrument directly displays concentration in mg L of total chlorine on the Liquid Crystal Display Chlorine Total 49 Select the program number corresponding to Oxygen Demand Chemical LR COD on the secondary LCD by pressing PROGRAM t and s Place the blank vial into the holder and push it completely down Press ZERO and SIP will blink on the display ...

Page 33: ...glyrecommended Do not use an oven or microwave because leaking samples can generate a corrosive and possibly explosive atmosphere Remove the cap from two Reagent Vials Add exactly 2 0 mL of sample to one vial sample vial and 2 0 mL of deionized 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 Wa...

Page 34: ... 4 150 mg L Typical EMC 1 mg L Deviation 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...

Page 35: ...ible results it is strongly recommended to follow carefully the invert procedure described on page 14 Nitrate 46 Place the blank vial into the holder and push it completely down Press TIMER and the display will show the countdown prior to the measurement Alternatively wait for 5 minutes and press ZERO In both cases SIP will blink during measurement Wait for a few seconds and the display will show ...

Page 36: ...ample mix until dissolution is complete then proceed with the usual measurement procedure Nitrate 45 Remove the cap from the vials and add the content of one packet of HI 93767 0 Total Nitrogen Reagent to each vial Replace the cap tightly and shake gently the vials for 15 seconds Wait for 2 minutes without shaking the vials to allow the reaction to complete Remove the cap from two Reagent Vials wh...

Page 37: ... and HI 93767B parameters For other accessories see page 77 REQUIRED ACCESSORIES C 9800 01 Hanna reactor 115 VAC C 9800 02 Hanna reactor 230 VAC HI 740216 test tube cooling rack 25 holes HI 740217 Laboratory bench safety shield For other accessories see page 77 Nitrogen Total LR 44 Replace the cap tightly and shake vigorously the vials for about 30 seconds until all the powder is completely dissol...

Page 38: ... to the other vial blank vial while keeping the vials at a 45 degree angle green cap Nitrogen Total LR 43 MEASUREMENT PROCEDURE Before starting to use the reagent kit it is recommended to read carefully all the instructions and the Health Safety Data Sheet HSDS Pay particular attention to all warnings cautions and notes Failure to do so may result in serious injury to the operator Reagent Blank Co...

Page 39: ...50 mg L Resolution 1 mg L Precision 3 75 mg L Typical EMC 1 mg L Deviation Light Source Tungsten lamp with narrow band interference filter 420 nm Method Chromotropic acid method A persulfate digestion converts all forms of nitrogen to nitrate Then the reaction between nitrate and the reagents causes a yellow tint in the sample REQUIRED REAGENTS Code Description Q ty test Q ty set Digestion Vial 1 ...

Page 40: ...e described on page 14 white cap Nitrogen Total LR 41 Place the blank vial into the holder and push it completely down Press TIMER and the display will show the countdown prior to the measurement Alternatively wait for 5 minutes and press ZERO In both cases SIP will blink during measurement Wait for a few seconds and the display will show 0 0 Now the meter is zeroed and ready for measurement Remov...

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