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Hanna Instruments HI 4101 Скачать руководство пользователя страница 3

3

HI 4101 Ammonia Electrode

HI 4101 Ammonia Electrode

HI 4101 Ammonia Electrode

HI 4101 Ammonia Electrode

HI 4101 Ammonia Electrode

I.

I.

I.

I.

I. Introduction:

Introduction:

Introduction:

Introduction:

Introduction:

The Hanna HI 4101 Ammonia gas selective electrode is a
combination electrode designed for the measurement of
ammonia in aqueous solutions such as waste water samples,
wine, beer. Ammonium ions are also measured by conver-
sion to ammonia gas upon ISA addition.

II.

II.

II.

II.

II. Specifications

Specifications

Specifications

Specifications

Specifications

Type:

NH3 gas sensing

electrode with glass pH
internal, Ag/ AgCl
reference and gas
permeable PTFE
membrane.

Species Measured:

NH

4

+

, NH

3

Measurement Range:

1.0 M to 1x 10

-6

M

17000 to 0.02 ppm

Interfering ions:

Surfactants, wetting
agents, volatile amines.

Operating Temperature:

0 to 40

°

C

Operating pH:

>

11 pH

Dimensions:

12 mm (OD) X 120
mm (insertion)
0.47

”

x 4.72

”

Wetted materials:

Delrin

®,

body and cap

PTFE gas membrane

Connection:

BNC

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Содержание HI 4101

Страница 1: ...1 HI 4101 HI 4101 HI 4101 HI 4101 HI 4101 Ammonia Ion Selective Electrode Instruction Manual A M M O N IA HI 4101...

Страница 2: ...2...

Страница 3: ...monium ions are also measured by conver sion to ammonia gas upon ISA addition II II II II II Specifications Specifications Specifications Specifications Specifications Type NH3 gas sensing electrode w...

Страница 4: ...gas in the sample and thin film are equal The change in pH is proportional to the concentra tion of dissolved gas in the sample solution The Nernst expression for an ammonia sensor is expressed in th...

Страница 5: ...ethemembrane membranecap outerprobe body with antirotation key and the pH reference assembly which includes the outer electrode cap spring inner cap and pH reference electrode assembly Outer probe bod...

Страница 6: ...A HI4001 00 Hanna 0 1 M standard HI4001 01 Hanna 100 ppm N standard HI4001 02 Hanna 1000 ppm N standard HI4001 03 Please Note These calibration standards are ppm as NH3 N See Section XVII for addition...

Страница 7: ...atingor wetting thePTFEmembranewill effect the response Inspect sensor before using Re place PTFE membrane if damage is evident Rinse electrode with distilled or deionized water be tweensamplesanddabd...

Страница 8: ...ionized water These pH solutions contain chloride ions and pH buffers that are used to verify the inner electrode pH internal is operational See Section XVII for replacement accessories and maintenanc...

Страница 9: ...lution carry over Do not rub the glass Take a measurement in the second buffer and record mV Pay attention to minus sign if present Calculate the difference in mV between the two solutions Example of...

Страница 10: ...le gently stretching membrane over opening and cap turing opposite membrane corner against threads Smoothexcessmembranematerialaroundthethreads 4 Screw outer membrane cap onto body thus capturing the...

Страница 11: ...de spring and elec trode cap down cable and screw cap on outer body until fully engaged Do not invert electrode Do not overtighten 8 Install assembled electrode in gas sensor test vessel or in electro...

Страница 12: ...has stabilized This value should be less than the previous noted more negative DeterminethedifferencebetweenthetwomVvalues An acceptable value for this slope is 54 4 mV at ambient temperatures between...

Страница 13: ...bound nitrogen such as oil sludge waste or samples which may contain surfactants digest sample first using a total Kjeldahl nitrogen TKN procedure This involves oxidationwithhotsulfuricacidwhich conv...

Страница 14: ...in the measurement range of the unknowns with ISA added are measured in mV mode on the meter These standards are plotted on semilog graph paper and their points are connected to form a straight line c...

Страница 15: ...ed gas by covering and using promptly 3 FollowsectionVII GeneralGuidelinestooptimizetest set up 4 Duringcalibrationitisbesttostartwithlowerconcen trationsamplesfirst Waitforastablereadingbefore readin...

Страница 16: ...erature of measurement should be determined and used if possible This will improve ac curacy Known addition is Method 4500 NH3 E from StandardMethodsfortheExaminationofWaterandWaste water 1 The volume...

Страница 17: ...with an electrode 1 mL of ISA is added to the sample and the color change is noted The sample is covered and permitted to mix The mV is then recorded when the sensor has stabilized 2 5 mL VSTANDARD o...

Страница 18: ...mpletely and rinse off the internal pH reference assembly the outer body and the membrane cap Discard the white PTFE membrane Note keep black membrane cap Cover the glass tip with the protective shipp...

Страница 19: ...ppm N standard 500 mL HI4001 03 Hanna 1000 ppm N standard 500mL HI4001 30 Nitrate test kit Bulk pkg Please Note These calibration standards are ppm as NH3 N For Maintenance For Maintenance For Mainten...

Страница 20: ...m date of purchase when used for their intended purpose and maintained according to instructions If they fail to work whenfirstusedcontactyourdealerimmediately Damagedue to accidents misuse misapplica...

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