Surf these sites: Chemglass -- NMR tubes, Caps, valves and NMR tube cleaners. We have what you are looking for! Cortec -- Supplier of stable isotopes (labeled compounds, gases, metals, deuterated solvents).The site says it has the world''s largest online database for stable isotopes. Deutero GmbH Chemische Produkte Handelsgesellschaft -- Isotopes, solvents and consumables for NMR in Europe. Rototec-Spintec Website -- A distributor for Wilmad consumables in Europe. Shigemi, Inc. -- Makes matched plugs for all types of solvents. They also make NMR tubes and other diposables. Wilmad -- Maker of the very best NMR tubes, standards and other stuff.
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