Good Wholesale Vendors Nano Mgco3 Powder - Selenium Se powder – Xinglu

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Good Wholesale Vendors Nano Mgco3 Powder - Selenium Se powder – Xinglu Detail:

Product Description
selenium metal powder

1. Features 

Symbol:

Se

CAS

7782-49-2

Atomic Number:

34

Atomic Weight:

78.96

Density:

4.79 gm/cc

Melting Point:

217 oC

Boiling Point:

684.9 oC

Thermal Conductivity:

0.00519 W/cm/K @ 298.2 K

Electrical Resistivity:

106 microhm-cm @ 0 oC

Electronegativity:

2.4 Paulings

Specific Heat:

0.767 Cal/g/K @ 25 oC

Heat of Vaporization:

3.34 K-cal/gm atom at 684.9 oC

Heat of Fusion:

1.22 Cal/gm mole

3. Hazards

Selenium salts are toxic in large amounts, but trace amounts are necessary for cellular function

4. Applications

Selenium is now used in a variety of applications, from glass and metallurgical applications to pigments, agriculture and electronics.


Certificate

5

What we can provide

34


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Good Wholesale Vendors Nano Mgco3 Powder -
 Selenium Se powder – Xinglu detail pictures

Good Wholesale Vendors Nano Mgco3 Powder -
 Selenium Se powder – Xinglu detail pictures

Good Wholesale Vendors Nano Mgco3 Powder -
 Selenium Se powder – Xinglu detail pictures


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Sticking towards the theory of "Super Good quality, Satisfactory service" ,We are striving to become a superb business enterprise partner of you for Good Wholesale Vendors Nano Mgco3 Powder - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: Brazil , London , Ottawa , Now we are sincerely consider to grant brand agent in different areas and our agents' maximum margin of profit is the most important thing we care about. Welcome all of the friends and customers to join us. We are ready to share win-win corporation.
  • We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.
    5 Stars By Ivan from Victoria - 2018.09.16 11:31
    The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!
    5 Stars By Pearl from Montpellier - 2018.02.21 12:14

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