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Two samples of liquid oxygen are tested for purity Nov. 7, 2017, at Andersen Air Force Base, Guam. Liquid oxygen must have a purity of 99.5 percent or higher to be used
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Elements of inorganic chemistry : descriptive and qualitative . of wire gauze, when nitric acidwill be given off and condensed in R. As soon as the operation is finished, pour the acid
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Laboratory evidence for co-condensed oxygen- and carbon-rich meteoritic stardust from nova outbursts | Nature Astronomy
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