Thallium (Tl)

Thallium ([Xe]4f145d106s26p1) (CAS 7440-28-0) was discovered spectroscopically and is named for its green spectral line. It has a metallic luster when first exposed to air, but quickly develops a bluish-gray tone that resembles lead. Thallium is very soft and malleable, inelastic, and heavy. It occurs as a mixture of two isotopes.

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Thallium granules, 6mm (0.2in) & down, 99.99% (metals basis), packaged in water, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Thallium rod, 12.7mm (0.5in) dia, 99.99% (metals basis), Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Thallium rod, 12.7mm (0.5in) dia, 99.999% (metals basis), Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Thallium Rod, 12.7mm (0.5in) dia., 99.9% (Metals basis), Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
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Analyzing Trace Elements With EPA Method 200.7
US EPA Method 200.7 is the "Determination of Metals and Trace Elements in Water and Wastes by Inductively Coupled Plasma-Atomic Emission Spectrometry." EPA 200.7 sets the method detection limit (MDL) for 31 different elements, along with preferred wavelengths and calibration and quality control...
Analyzing Trace Elements With EPA Method 200.9
US EPA Method 200.9 is the "Determination of Trace Elements by Stabilized Temperature Graphite Furnace Atomic Absorption (GFAA)." This regulatory method is for analyzing 16 dissolved and total recoverable elements in ground water, surface water, drinking water, storm runoff, industrial and domestic...
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Molecular Probes Handbook
Assays of Volume Change, Membrane Fusion and Membrane Permeability—Note 14.3
Molecular Probes Handbook
Probes for Ion Channels and Carriers—Section 16.3