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Results of analysis of water, before and after use as the target in the impact at 1.97 km s−1 and 45° incidence. The left-hand group of data are for the water in the target sampled “Pre-shot”; the right-hand group of data are for water sampled from the target “Post-shot” (i.e., after the impact). The data show the concentration of the named material in terms of microgram (of material) per milligram of sample tested. An is anthracene, Fa is stearic acid, and DMSO is dimethylsulfoxide.
