News

New Metrohm Synthesis Electrodes

9 Oct 2008
Emily
Student / Graduate

Metrohm Syntrode electrodes are specifically designed for synthesis
applications. The two different long lengths of the electrodes will fit
large reaction vessels and the diaphragm is designed to minimize blockage,
the glass membrane reduces alkali error and there is Pt 1000 temperature
measurement.

Metrohm Syntrode-Specifically designed for synthesis analysis
Synthesis demands reliable measurements even under extremely difficult
conditions, including pH measurements where electrodes are required to
endure a long working life, high temperatures, and complex, often alkaline,
media. The Metrohm Syntrode was designed to meet these challenges.

Large Capacity and Long Length
With a large 20 ml capacity for the reference electrolyte solution, refill
intervals are significantly longer, allowing for longer evaluations and
studies. Electrode maintenance is also reduced. Available in 30 cm and 45 cm
lengths, the Syntrode can be easily used in reaction vessels of all sizes.

Innovative Sleeve Diaphragm Design
Due to its more defined electrolyte flow and minimized blockage, the
electrolyte diaphragm of choice for precision pH measurements is the sleeve
diaphragm, which offers an extremely reliable and precise measuring system.

With a fixed sleeve design that creates a sharp and well-defined interface
between the sample and the sleeve, the possibility of sample carryover is
greatly reduced, minimizing the effects of cross contamination and memory
effects.

"Long Life" Reference system
This new electrode uses the Metrohm "Long Life" reference system; an Ag/AgCl
cartridge with a silver ion barrier that ensures an extended life and
consistent measurements.

Unique Glass Membrane Design
All of the Syntrodes have a cylindrical pH glass membrane manufactured from
green U glass, which tolerates high temperatures and highly alkaline samples
and shows excellent response with sample measurements with a pH of 14.

IntegratedTemperature Sensors
The Syntrodes are all equipped with an integrated Pt 1000 temperature sensor
(class B) located directly at the inner side of the pH-sensitive glass
membrane, which ensures that the temperature and pH measurements occur at
the same location. With this system, the user can continuously monitor and
control the temperature and pH of the process. In addition to the automated
temperature compensation, the integrated temperature probe allows for one
more additional flask opening.

Syntrodes can be used with the Metrohm 842 pH STAT Autotitrator to monitor
reaction rates and pH STAT and Endpoint titrations

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