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. 2013 Dec 17;3(4):538–549. doi: 10.3390/life3040538

Figure 2.

Figure 2

Representative MS Spectra from the Titan Time Course Experiments. All time points are the result of three independent replicates. (a) Sample 1, starting solution of 30% aqueous ammonia; (b) Sample 2, joint, 2 days post spark application; (c) Sample 3, U-bend, 4 days post spark application; (d) Sample 4, boil flask, 7 days post spark application.