Купить tellurium 4n tellurium 99.99% tellurium lingot

Characteristics:

Silvery white, lustrous, solid metal. Soluble in sulfuric acid, nitric acid, potassium hydroxide and potassium cyanide solution. Insoluble in water. Imparts garlic-like odor to breath, can be depilatory. It is a p-type semiconductor and its conductivity is sensitive to light exposure.

Hazards:

(Metal and compounds, as Te): Toxic by inhalation. Tolerance: 0.1 mg/m3 of air.

Applications:

Tellurium could be used in different fields, according to its purity. It could be used as infrared detector materials, solar cell material, cooling material and so on. Mainly applied for compound semi-conductor, solar energy cell, electrothermic transition element, cooling element,air-sensitive,thermosensitive,pressure-sensitive,photosensitive,piezo-electric crystal and nuclear radiation detect, infrared detector and basic material.

Symbol:

Te

CAS:                           

13494-80-9

Atomic Number:

52

Atomic Weight:

127.60

Density:

6.24 gm/cc

Melting Point:

449.5 ℃

Boiling Point:

989.8 ℃

Thermal Conductivity:

 -

Electrical Resistivity:

4.36x10(5) microhm-cm @ 25 ℃

Electronegativity:

2.1 Paulings

Specific Heat:

0.0481 Cal/g/oK @ 25℃

Heat of Vaporization:

11.9 K-Cal/gm atom at 989.8 ℃

Heat of Fusion:

3.23 Cal/gm mole

First step:

Packed in vacuum polyester bag/ plastic bag.

Second step:

Packed in vacuum polyester bag or aluminum foil bag again.

Third step:

Wrapped with bubble, load to the carton and seal the carton

Preparation time before shipping

If we have stock, we could delivery the material in 3-5 days after customer confirmed the PO

If we do not have stock, we could delivery the material in 7-15 days according to customer purchased quantity.

Cargo shipping time

If the material is delivery by express, it takes 3-6 days to arrive at the destination place.

If the material is shipped by air, it takes 3-6 days to arrive in the destination air port.

If the material is shipped by sea, it takes 10-40 days to arrive in the different countries sea ports