Sigma-Aldrich
Analytical and Chromatography Grade Chemicals
Support for research and routine analysis with reference materials and specialty chemicals.
Chemicals & Culture Media
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High-purity inorganic chemicals, metals and materials science products.
| High-purity metals | |
| Inorganic compounds | |
| Rare earth elements | |
| Materials science products |
Alfa Aesar meets the specialty chemical needs of research laboratories with high-purity metals, inorganic compounds and materials science products.
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