Thallium Analysis Using Automated Photometric Titration
Thallium Analysis Using Automated Photometric Titration
31 Dec 2015Thallium is a soft gray post-transition metal is not found free in nature. When isolated, it resembles tin, but discolors when exposed to air. Thallium can be titrated as Tl(III) in slightly acidic medium. To visualize the equivalence point, the indicator xylenol orange is used. The indication is done with the Optrode at a wavelength of 574 nm.
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Optrode Sensor for Titration
Metrohm AGSensor for titration with photometric endpoint recognition. Eight wave lengths: 470, 502, 520, 574, 590, 610, 640 and 660 nm 100% solvent-resistant due to glass shaft Compact and space-saving Very easy to clean Easy to change the wave lengths Both new and existing titration systems can be furnished with the optrode. The power supply is provided directly through the USB interface of a Metrohm instrument (Titrino plus, Ti-Touch, Titrando, USB sample changer). With older models without a USB interface, the power supply can also be provided by means of an optional USB power supply unit.