tracer chemistry

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• CHEMISTRY — Since the birth of modern chemistry at the beginning of the 19th century, Jews have taken a full part in all branches of the science, and the percentage of Jews achieving eminence has been high compared to their number in the general population,… …   Encyclopedia of Judaism

• TRACER — Tropospheric Radiometer for Atmospheric Chemistry and Environmental Research Contributor: LaRC …   NASA Acronyms

• isotopic tracer — ▪ chemistry       any radioactive atom detectable in a material in a chemical, biological, or physical system and used to mark that material for study, to observe its progress through the system, or to determine its distribution. An isotopic… …   Universalium

• Nuclear chemistry — is the subfield of chemistry dealing with radioactivity, nuclear processes and nuclear properties. It is the chemistry of radioactive elements such as the actinides, radium and radon together with the chemistry associated with equipment (such as… …   Wikipedia

• Timeline of biology and organic chemistry — A timeline of significant events in biology and organic chemistryBefore 1600* c. 450 B.C. Sushruta writes the Sushruta Samhita , describing over 120 surgical instruments and 300 surgical procedures, classifies human surgery in 8 categories, and… …   Wikipedia

• Nobelium — Eigenschaften …   Deutsch Wikipedia

• Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …   Wikipedia

• Coprecipitation — In chemistry, coprecipitation (CPT) or co precipitation is the carrying down by a precipitate of substances normally soluble under the conditions employed.[1] Analogously, in medicine, coprecipitation is specifically the precipitation of an… …   Wikipedia

• Calvin, Melvin — born April 8, 1911, St. Paul, Minn., U.S. died Jan. 8, 1997, Berkeley, Calif. U.S. biochemist. He received his Ph.D. from the University of Minnesota. He developed a system of using the radioactive isotope carbon 14 as a tracer element in his… …   Universalium

• Fermium — Not to be confused with Ferrum , the Latin name for Iron. einsteinium ← fermium → mendelevium …   Wikipedia

• mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …   Universalium