Titration Workstation lets user program up to 10 methods.

Press Release Summary:

Suited for routine potentiometric titrations, TitraLab 840 offers measuring ranges of -9 to 23 pH, ±2,000 mV, and -10 to +100°C with resolution of 0.001 pH, 0.1 mV, and 0.1°C, respectively. It provides Methods End Point titration with 1-2 preset end points and Inflection Point titration with auto determination of 1-4 inflection points and programmable IP acceptation windows. Unit includes password protection for programming access, non-volatile memory, and storage of last 60 results.

Original Press Release:

Introducing the New TitraLab® 840/845 Titration Workstations

- offering the same high performance you would expect from Radiometer Analytical while providing the best value on the market for routine potentiometric titrations! Simplest titrators of their generation!

Complete Single Burette systems for under $4,000.00
Complete Dual Burette systems for under $5,000.00
Offering titrations for total acidity, chloride, ascorbic acid, Free and Total SO2, pH and alkalinity, Total Hardness, COD, and many more!

Also, don't forget about the New TitraLab® 870 Titration Workstation: Space-saving System for Water Analysis.

Combines Conductivity Measurement, Dual Burette titration manager, and pH/ISE meter into one space-saving system
NEW photocolorimetric probe gives precise and repeatable total hardness measurements
U.S. EPA-approved , simplified, pre-programmed environmental methods

With the new multi-technique TitraLab 840 titration workstation you can benefit from superior quality results at the touch of a button. Ideal for routine applications, its use is simpler than ever before. The TitraLab 840 represents today the best value for money on the market for routine potentiometric titrations, whatever your application.

Food & Beverage
o Total acidity: wine, vinegar, fruit juices, milk
o Chloride: milk, butter, other dairy products
o Ascorbic acid: fruit juice and food
o Free & Total SO2: wine and fruit juice
Environment & Water
o pH & Alkalinity
o Total Hardness
o Chloride
o Chemical Oxygen Demand
Chemical & Plating
o Acid-base determinations in aqueous/non-aqueous media
o Imposed & zero current redox determinations
o Complexometric determinations
o Silver & precipitation determinations
o TAN/TBN: according to ASTM D664, D1159, D2896, ISO 3771
o Bromine Index and Bromine Number: according to ASTM D1491, D7210
o Hydrogen sulphide and Mercaptans: according to ASTM D3227

TitraLab® 840 Routine Potentiometric Titration Workstation
Methods End point titration: 1 to 2 preset end points.
Inflection point titration: Auto determination of 1 to 4 inflection points, programmable IP acceptation windows.
IP detection using 1st & 2nd derivative curve.
Titration stops at: pH, mV, ml, IP number.
Titrant addition techniques: incremental dynamic, incremental monotonic
and continuous dynamic.
Titrant calibration.
pH electrode calibration: up to 5 points using IUPAC standards or 4-7-10 Series
buffers with error recognition.
Direct pH/mV measurements: with recording on stable reading.
Back titration with manual (TIM840) or automatic (TIM845) reagent addition.
Sequencing of up to 3 consecutive methods within a sample changer series.
Coupling of 2 methods in one beaker.

Measuring Range -9 to 23 pH
±2000 mV
-10°C to +100°C

Resolution 0.001 pH

Printout Automatic. GLP compliant.
Selectable: no, 80 columns.
3 levels of detail defined by method.
Printed data can be sent as a single character string for LIMS connection.

Results In each method, calculation of up to 4 results and 1 user-defined equation.
Statistical calculations.
Optional result recalculation in case of sample quantity modification before archiving.

Units All standard units for samples/results.
User-defined result units.

Storage capacity Global password protection for programming access.
Non-volatile memory.
User programmable: 10 methods.
Libraries for 15 electrodes and 15 reagents: more than 30 electrodes and 20 titrants preidentified (ID and type) to help programming.
Storage of last 60 results, last electrode and last reagent calibration for each library.
Stored parameters characterised by own ID, location and calibration data.
Embedded operating procedures for reagent exchange and burette operations.

Sample list Up to 20 data with alphanumeric ID.

Electrode Stand- Stirring Magnetic stirrer, 22 reproducible speeds (0 to 1100 rpm) in 50 rpm steps.
Propeller connection.
Beaker volume: 5 to 400 ml.

Burette 1 embedded burette stand.
Burette volumes available: 1, 5, 10, 25, 50 ml.
Delivered with 25 ml burette.
Burette motor: 18000 steps.
Complies with ISO 8655-3.
UV-protected encapsulated glass syringe.
Embedded operating procedures for burette exchange, air bubble removal (Flush).
Fill, Empty functions.

Inputs/outputs 1 indicator and 1 reference electrode input.
Selectable polarised input from -1 mA to 1 mA in 1 µA steps, DC or AC.
Differential input for a third platinum electrode.
Temperature input. 0-5 V TTL output.
Serial connections: printer, balance, additional titrator, PC with TitraMaster 85 Data
Collector software and SAC80 Sample Changer fitted with 10 to 20-position tray.
PS/2 port: PC keyboard, barcode reader.

Languages English, German, Danish, French, Italian, Spanish and Swedish.
Casing Fully splashproof chemical resistant lathene.
Graphic 128x128 dot LCD protected from spillages with TPX cover.
Rubber soft touch alphanumeric keypad.

Dimensions (H x W x D) 380 x 230 x 450 mm (excl. tubing).
Weight 5 kg (excluding reagent bottles).
Electromagnetic compatibility Complies with EMC directive 89/336/EEC and LV directive 73/23/EEC.
Power requirements 47.5 - 63 Hz, 115/230 Vac +15 -18%.

Environmental conditions 5 to 40°C ambient temperature, 20 to 80% relative humidity.

Ordering information
Titralab systems The TitraLab 840/25 Potentiometric Titration Workstation consists of TIM840 pH/EP/IP Titrator, monoburette with full set of connecting cables, cell accessories and one 25 ml burette(s). Also available without burette (TIM840,NB) for use with one of the following volumes: 1, 5, 10, 25 & 50 ml.

Metrology To comply with ISO 9001 and ISO 17025 requirements, our Metrology Dept. can supply calibration and verification certificates. Our Cofrac accredited laboratory produces pH and conductivity standards with certificates of traceability and conformity.

Application Packages available Technique-based
Acid/base titration in aqueous or non-aqueous media
Complexometric titrations
Argentimetric titration (halides and silver)
Redox titration (zero and imposed current)

Water hardness, calcium and magnesium determination
TAN and TBN, bromine number and bromine index according to ISO and ASTM
Hydrogen sulphide and mercaptans according to ASTM
Peroxide number in edible fats and oils
Chloride in milk, butter and other dairy products
Ascorbic acid determination in food and beverages

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