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Further processing of 8-25-2 (HCOOH-hydrolyzed DNA) (09/23/1976)

Purpose/Intro: "Sample 8-25-2 was prepared from 10 mg of adducted DNA—it should contain up to 30 ug of adduct—I need adduct for identification studies, so this sample will be processed further."
Results/Conclusion: "HPLC: A peak appeared at ~tR of the adduct, but it was very broad—column problems developed. Explicitly, the pressure went up and it took 3 days to repair the damage. Radioactivity: There should be 2.2e6 counts in 10 mg! Therefore I have ~1/4 the amount of adduct that I want."

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