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Norquay Technology, Inc. logo High Purity Chemicals

Norquay Technology Inc has many years of experience in preparation of highly purified organic and inorganic chemicals. Our laboratories are equipped to carry out orienting studies on quantities as small as a few milligrams, and to scale up to multi-kilogram runs. After demonstration of feasibility, we can produce ton quantities of pure products. We use conventional fractional crystallization from solution, and a variety of methods based on crystallization from the melt. For example, we are equipped to carry out zone refining of chemicals, from –650 C to over 3000C, in amounts from a few milligrams to kilograms. In many cases, the impurities concentrated by zone refining are of as much interest as the pure product, since the impurity-enriched material facilitates qualitative analysis by coupled chromatography/spectrometry. Zone refining may be carried out to provide pure material, or to demonstrate feasibility of other, large-scale melt-crystallization methods. We have extensive experience with sublimation, which is often uniquely applicable to removal of color-bodies and inorganic contaminants from organics. Our equipment can handle quantities to tens of kilograms, at sublimation temperatures in excess of 5000C.

Clients who are interested in purification are welcome to submit small samples (1-10gm.) for evaluation, at no cost. A preliminary examination can usually be completed in a few days. Of course, this preliminary study is facilitated by our prior experience with hundreds of materials, including important monomers, electronic materials, and pharmaceutical intermediates. If our initial study indicates that purification is feasible, we will quote on delivery of an amount that the client needs for evaluation. This is usually 0.1-1.0 kg, and charges are typically $1,500 - $2,500. Successful purification opens the way to design of commercial production facilities, involving our long association with Sulzer Chemtech.

If you have a candidate material, please fill in the accompanying Evaluation Form, to begin a prompt and confidential evaluation of your program needs.

For Release 9 AM, EST January, 22, 1999

 

 

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