Factory Cheap Fe3o4 Nanoparticles - Selenium Se powder – Xinglu

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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: ...


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We thinks what clients think, the urgency of urgency to act from the interests of a client position of theory, allowing for greater quality, lessen processing costs, price ranges are much more reasonable, won the new and outdated shoppers the support and affirmation for Magnesium Gadolinium Alloys , Al-5mo Alloys , Cu-Zr Master Alloys , We sincerely welcome friends from all around the globe to cooperate with us within the foundation of long-term mutual benefits.
Factory Cheap Fe3o4 Nanoparticles - 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


Product detail pictures:

Factory Cheap Fe3o4 Nanoparticles -
 Selenium Se powder – Xinglu detail pictures

Factory Cheap Fe3o4 Nanoparticles -
 Selenium Se powder – Xinglu detail pictures

Factory Cheap Fe3o4 Nanoparticles -
 Selenium Se powder – Xinglu detail pictures


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No matter new customer or outdated client, We believe in extensive phrase and trusted relationship for Factory Cheap Fe3o4 Nanoparticles - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: Azerbaijan , Mexico , India , During in 11 years, We've participated in more than 20 exhibitions, obtains the highest praise from each customer. Our company has been devoting that "customer first" and committed to helping customers expand their business, so that they become the Big Boss !
  • This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.
    5 Stars By Kim from Suriname - 2017.11.29 11:09
    Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
    5 Stars By Elaine from Sweden - 2017.07.28 15:46

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