Methods
- End point titration: 1 to
4 pre-set end points.
- Inflection point titration: Auto determination of 1 to 8 inflection points
with programmable IP acceptation windows.
- IP detection using 1st and 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 on buffer used.
- Direct pH/mV measurements with recording on stable reading.
- Back titration with manual or automatic reagent addition (with ABU52).
- Sequencing of up to 10 methods.
- Coupling of 2 to 4 methods in one beaker.
Measuring Range/Resolution
-9 to 23 pH 0.001 pH
±2000 mV 0.1 mV
-10°C to +100°C 0.1°C
Printout
Automatic. GLP compliant.
Selectable: no, 80 columns.
Detailed or condensed.
Results
In each method, calculation of up to 8 results and 2 user-defined equations.
QC check on results with visual warning.
Statistical calculations. Units
All standard units for samples/results.
User-defined result units.
Storage capacity
Global password protection for programming access.
Non-volatile memory.
User programmable: 50 methods.
Libraries for 30 electrodes and 30 reagents: more than 30 electrodes and
20 titrants pre-identified with ID and type to help programming.
Storage of 200 results.
Stored parameters characterised by own ID, location and calibration data.
Embedded operating procedures for electrode and reagent exchange.
Automatic electrode, titrant calibration and QC prompt.
Sample list
Up to 126 data with alphanumeric ID.
QC sample definition.
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
2 embedded burette stands.
Burette volumes available: 1, 5, 10, 25, 50 ml.
Burette motor: 18000 steps.
Complies with ISO/FDIS 8655-3.
Burette extension: 4 (with ABU52).
UV-protected encapsulated glass syringe.
Embedded operating procedures for burette exchange, air bubble removal
(Flush).
Rinse, Fill, Empty function.
Inputs/outputs
2 indicator electrode inputs.
1 reference electrode input.
Selectable polarised input from -1 mA to 1 mA in 1 µA steps, DC
or AC.
Differential input.
Temperature input.
0-5 V TTL output.
0-12 V TTL output.
Serial connections for Printer/PC, balance and additional titrator for
use with TitraMaster 85 PC Software.
Burette extension (with ABU52).
Serial connection for sample changer fitted with 10 to 126-position tray.
PS/2 port for PC keyboard and/or barcode reader.
Languages
English, German, Danish and French (other languages, please consult us).
General specifications
Casing: Fully splashproof polypropylene.
Graphic 128x128 dot LCD and alphanumeric keypad.
Dimensions (H x W x D): 380 x 230 x 450 mm (excl. tubing).
Weight: 5 kg (excluding reagent bottles).
CE Marking:
Complies with EMC directive 89/336/EEC
Complies with LV directive 73/23/EEC
Power requirements: 47.5 - 63 Hz 115/230 Vac +15 -18%.
Environmental operating conditions:
5 to 40°C temperature.
20 to 80% relative humidity.
Ordering information
TitraLab
systems
The TitraLab 865/xx Potentiometric Titration Workstation consists of the
TIM865 Potentiometric Titration Manager biburette with a full set of
connecting cables, cell accessories and one or two xx ml burette(s).
Metrology
To comply with ISO9001 and ISO17025 requirements, our Metrology Dept.
can supply calibration and verification certificates.
Examples of Application Packages
Technique-based
- Acid/base titration in aqueous or non-aqueous media
- Complexometric titrations
- Argentimetric titration (halides and silver)
- Redox titration (zero and imposed current)
Dedicated
- Peroxide number in edible fats and oils
- Chloride in milk, butter and other dairy products
- Ascorbic acid determination in food and beverages
- Water hardness, calcium and magnesium determination
- TAN and TBN, bromine number and bromine index according to ASTM
- Mercaptans according to ASTM
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TitraLab 865 
