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Silicon nitride
Linear Formula:
Si
3
N
4
CAS Number:
12033-89-5
Molecular Weight:
140.28
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Sigma-Aldrich (4)
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Reference Material Type
Special Grade
certified reference material (1)
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334103
Silicon nitride,
powder, ≥99.9% trace metals basis
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248622
Silicon nitride,
predominantly β-phase, ≤10micron primary particle size
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636703
Silicon nitride,
nanopowder, <50 nm particle size (spherical), ≥98.5% trace metals basis
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325171
Silicon nitride,
predominantly α-phase, ≤10 micron
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NISTRM8983
Silicon nitride,
NIST
®
RM 8983
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