Sigma-Aldrich Fine Chemicals' Unique Technology Enables Commercial Scale Production of Ultra-Pure Inorganics

18-Jan-2001

Sigma-Aldrich fine chemicals, a division of Sigma-Aldrich Corporation (Nasdaq:SIAL), announced the availability of commercial quantities of a unique and broad range of high-purity inorganic materials. These items are manufactured using proprietary technologies by Aldrich-APL, LLC, (AAPL), a joint venture between Aldrich Chemical Company, Inc. and APL Engineered Materials, located in Urbana, IL. Our large-scale manufacturing capabilities enable us to meet the needs in several high technology segments, including telecommunications, microelectronics, fuel cells, medical imaging, and radiation detection.

AAPL's proprietary technology portfolio includes synthesis, sublimation, distillation, and recrystallization techniques that are applied to produce high-purity inorganics and metals, in gram to metric ton quantities, to demanding purity standards in the range of

99.99% to 99.9999+% trace element basis. This unique solids-processing and solid-state synthetic technology enables production of inorganic materials in a variety of forms, including easy-to-handle, free-flowing beads with low water, hydroxide and oxide content. Consistent quality is maintained for all products using state-of-the-art analytical techniques, including Inductively Coupled Plasma-Mass Spectrometry (ICP-MS), Atomic Absorption (AA) Spectrophotometry and Karl-Fischer analysis.

In addition to supplying standard high-purity inorganic materials, metals, and binary halides, AAPL -- through Sigma-Aldrich Fine Chemicals -- undertakes customer-driven projects on a custom basis with confidentiality assured.

"We are excited to offer commercial quantities of high-purity materials required in the fast growing markets of material composites, engineered materials, batteries and battery electrolytes, microelectronics, and optical coating precursors," said Dr. Jai Nagarkatti, President, Sigma-Aldrich Fine Chemicals. "Given the tremendous advances in materials science research and our manufacturing expertise in this area, we can provide a complete solution for our customers," Nagarkatti added.

Sigma-Aldrich Fine Chemicals provides raw materials process development, scale-up and complex, multi-step custom synthesis services to the pharmaceutical, biopharmaceutical and industrial marketplace. These products are available in large-scale quantities at competitive prices for the development and manufacture of pharmaceutical, biopharmaceutical, and high-technology chemical and life science products.

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