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Sigma-Aldrich (4)
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新加坡
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231-157-5
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铬
Empirical Formula (Hill Notation):
Cr
CAS No.:
7440-47-3
Molecular Weight:
52.00
EC No.:
231-157-5
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Product No.
Description
SDS
Pricing
266264
powder, 99.5%, −100 mesh
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266299
powder, ≥99% trace metals basis, <45 μm
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374849
chips, 99.995% trace metals basis
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255610
chips, thickness ~2 mm, 99.5%
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EG/EC 号
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