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Synthetic Graphite Powder (Nuclear Grade) from READE PDF Print E-mail
Saturday, 20 March 2010 18:38

synthetic graphite powder, synthetic graphite balls, nuclear grade, c, artificial graphite, acheson graphite, electrographite, plumbago, black lead, mineral carbon, silver graphite, stove black, stove polish, lead pencils, electrodes, brake linings, batteries, powder metallurgy, fertilizers, glass manufacture, conductive coatings, foundry facings, CAS#7440-44-0,    synthetic graphite powder, synthetic graphite balls, nuclear grade, c, artificial graphite, acheson graphite, electrographite, plumbago, black lead, mineral carbon, silver graphite, stove black, stove polish, lead pencils, electrodes, brake linings, batteries, powder metallurgy, fertilizers, glass manufacture, conductive coatings, foundry facings, CAS#7440-44-0, 

         

  • Graphite Powder (Nuclear Grade) Synonyms:

synthetic graphite powder, synthetic graphite balls, nuclear grade, c, artificial graphite, acheson graphite, electrographite, plumbago, black lead, mineral carbon, silver graphite, stove black, stove polish, lead pencils, electrodes, brake linings, batteries, powder metallurgy, fertilizers, glass manufacture, conductive coatings, foundry facings, CAS#7440-44-0,

  • Graphite Powder (Nuclear Grade) Designations:

a) Chemical Name:

Carbon, like the diamond; often impure from the presence of ferric oxide, clay, etc.

b) Chemical Formula:

C

  • Graphite Powder (Nuclear Grade) Description:

a) Nuclear grade graphite is any of the grades of graphite, usually electro-graphite, specifically manufactured for use as a moderator or reflector within nuclear reactors. Graphite is an important material for the construction of both historical and modern Nuclear reactors as it is one of the purest materials manufactured at industrial scale and it retains its properties (including strength) at high temperatures.

  • Graphite Powder (Nuclear Grade) Typical Chemical Properties Available:

Care must be taken that reactor-grade graphite is free of neutron absorbing materials such as boron, widely used as the seed electrode in commercial graphite deposition systems-- this caused the failure of the Germans' World War II graphite-based nuclear reactors.

  • Graphite Powder (Nuclear Grade) Physical Properties Available:

Graphite spheres and graphite powder

  • Graphite Powder (Nuclear Grade) Physical Constants:

Atomic Number

6

Molecular Weight (g/mol.)

12.01

Apparent Density (g/cm3)

2.0 - 2.25

RTECS Number

FF5250100

Melting Point (°C)

~3650°C

Boiling Point (°C) (Sublimes)

4200°C

Surface Area (m3/g)

7.2

Thermal Conductivity @230°C (cal/s-cm-°C)

.38

IMIS Code

1366

NFTA Classification

combustible solid

  • Graphite Powder (Nuclear Grade) Typical Applications:  

a) Special grades of synthetic graphite also find use as a matrix and neutron moderator within nuclear reactors. Its low neutron cross-section also recommends it for use in proposed fusion reactors. Care must be taken that reactor-grade graphite is free of neutron absorbing materials such as boron, widely used as the seed electrode in commercial graphite deposition systems—this caused the failure of the Germans' World War II graphite-based nuclear reactors. Since they could not isolate the difficulty they were forced to use far more expensive heavy water moderators. Graphite used for nuclear reactors is often referred to as nuclear graphite. 

b) A new application for nuclear grade graphite is in Very High Temperature Reactors (VHTR) and the Next Generation Nuclear Plant (NGNP).

  • Graphite Powder (Nuclear Grade) Packaging:

Jars, pails, drums, fiberboard containers, bulk bags

  • Graphite Powder (Nuclear Grade) TSCA (SARA Title III) Status:

Not Listed. For further information please call the E.P.A. at +1.202.554.1404 

  • Graphite Powder (Nuclear Grade) CAS Number:

Synthetic Graphite= CAS# 7440-44-0 

  • Graphite Powder (Nuclear Grade) UN Number:

Synthetic Graphite= 1362

  • NIOSH Pocket Safety Guides for Graphite (Nuclear Grade) :

Synthetic Graphite: NIOSH Pocket Safety Guide

 

 

 

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