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Mary Virginia Orna is Professor of Chemistry at the College of New Rochelle, New Rochelle, NY (mvorna@cnr.edu), although her professional history includes service in government, not-for-profit institutions and industry. She received a B.S. in Chemistry from Chestnut Hill College and Ph.D. in Analytical Chemistry from Fordham University. She has lectured and published widely in the areas of color chemistry and archaeological chemistry and, following a sabbatical leave at the Institute of Fine Arts, New York University, she has maintained a research relationship with art historians in the area of pigment content of medieval manuscripts. Among her many professional activities, she has presented plenary lectures and named lectureships on at least a dozen different occasions. She is a tour speaker on the roster of the American Chemical Society and has been an invited lecturer to every part of the United States and many countries in Europe, the Middle East, and the South Pacific. Her many publications have appeared in the Journal of Chemical Education, Color Research and Application, Studies in Conservation, Analytical Chemistry, Microchemical Journal, Journal of Biological Chemistry, American Chemical Society monographs, and various other journals. She has also authored numerous book chapters and encyclopedia articles, three books and co-edited eight others.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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