Thermo Scientific REDOX/ORP 9678BNWP Скачать руководство пользователя страница 23

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Thermo Fisher Scientific

Environmental Instruments

Water Analysis Instruments

166 Cummings Center

Beverly, MA 01915 USA

Tel: 978-232-6000

Toll Free: 800-225-1480

Dom. Fax: 978-232-6015

Int’l. Fax: 978-232-6031

www.thermo.com/water

254794-001 Rev.A

Содержание REDOX/ORP 9678BNWP

Страница 1: ...er Scientific l Instruments is Instruments Center 915 USA 000 25 1480 232 6015 232 6031 om water User Guide Redox ORP Electrodes...

Страница 2: ......

Страница 3: ...rugged environments Glass Combination Redox ORP Electrodes Cat No 9778BNWP and 9778SC The glass body enables the electrode to be used in solutions that contain organic solvents Use the electrode in wa...

Страница 4: ...lectrodes have a temperature connector that is compatible with the Star Series meters The 9180BN and 9179BN ORP ATC Triode electrode have a temperature connector that is compatible with the A Series m...

Страница 5: ...RP electrodes contain a silver silver chloride Ag AgCl reference that may become clogged in solutions that contain silver complexing or binding agents such as TRIS proteins and sulfides Frequent clean...

Страница 6: ...uld be open whenever the electrode is in use 4 For Sure Flow electrode only wet the junction by pressing down on the electrode cap to let a few drops of the filling solution flow out of the electrode...

Страница 7: ...erence reference filling solution chamber Sure Flow junction sensing element Figure 1 Refillable ORP Electrode filling hole Ag AgCl internal reference filling solution chamber ceramic reference juncti...

Страница 8: ...ed among multiple meter and electrode systems Note If the meter can perform an automatic ORP calibration using an EH mode refer to the meter user guide for detailed instructions on the meter calibrati...

Страница 9: ...25 219 174 19 424 219 174 20 424 219 174 21 423 219 174 22 422 219 174 23 421 219 173 24 420 220 173 25 420 220 173 26 419 220 173 27 418 220 173 28 417 220 172 29 416 220 172 30 415 220 172 31 414 22...

Страница 10: ...ents If the electrode is used in dirty or viscous samples or the electrode response becomes sluggish empty the electrode completely and hold the junction under running water Empty any water from the e...

Страница 11: ...nd other water samples 1 Prepare the electrode according to the Electrode Preparation section 2 Set the meter to the millivolt relative millivolt or EH measurement mode 3 Place the electrode into the...

Страница 12: ...nts Table 2 lists suitable titrants for different unknowns the equation for the titration reaction interferences and a reference where information about preparing the sample and running the titration...

Страница 13: ...andard Methods of Chemical Analysis 5th Ed Van Nostrand Princeton N J 1938 2 Hillebrand Lundell Bright and Hoffman Applied Inorganic Analysis 2nd Ed Wiley New York 1953 3 Kolthoff and Sandell Testbook...

Страница 14: ...ion and cause false high results iron as Fe 2 Fe 3 or in steel high levels of organic acids such as acetic oxalic tartaric and alcohols F if present in more than trace amounts Cl PO4 3 remove by addin...

Страница 15: ...2 2I S4O6 2 3 ceric sulfate Ce SO4 2 not recommended for samples containing Cl Fe 2 Ce 4 Ce 3 Fe 3 2 potassium dichromate K2Cr3O7 recommended for samples containing Cl Cr2O7 2 6Fe 2 14H 2Cr 3 6Fe 3 7H...

Страница 16: ...e is refillable drain the reference chamber flush it with fresh filling solution and refill the chamber with fresh filling solution 4 If the electrode is refillable make sure that the filling solution...

Страница 17: ...fast rate 2 If the electrode is refillable drain the reference chamber and refill it with fresh filling solution 3 Thoroughly rinse the electrode with distilled water Cleaning Solutions Cat No 900021...

Страница 18: ...ode and then refill any lost filling solution Disassembling the Sure Flow Electrode Note Disassembly is usually not required and should not be done unless a thorough cleaning is required 1 Tip the ele...

Страница 19: ...e Storage Short term Storage up to one day To ensure a quick response and free flowing junction the reference junction must not dry out It is recommended that the electrode be soaked in a 4 M potassiu...

Страница 20: ...he reading stabilizes 3 The mV potential should be 220 mV 60 mV If the mV reading is out of range repeat the measurement with fresh ORP standard If the electrode fails this procedure clean the electro...

Страница 21: ...3 39 g reagent grade KF 2H2O Place in a 100 mL volumetric flask Add 50 mL distilled water and swirl to dissolve solids Dilute to volume with distilled water 3 Transfer solution A to a 150 mL beaker Pl...

Страница 22: ...able ORP redox electrode with epoxy body and waterproof BNC connector 967800 Sure Flow refillable ORP redox electrode with epoxy body and U S standard connector 9778BNWP Refillable ORP redox electrode...

Страница 23: ...ific Environmental Instruments Water Analysis Instruments 166 Cummings Center Beverly MA 01915 USA Tel 978 232 6000 Toll Free 800 225 1480 Dom Fax 978 232 6015 Int l Fax 978 232 6031 www thermo com wa...

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