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2answers
122 views
What are the spectroscopic characteristics of common plasticizer impurities?
Derek Lowe's recent post on plasticizer impurities brings to mind a good question: how do you know if you've isolated a plasticizer (from, say, Tygon tubing) rather than your desir …
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5answers
674 views
NMR Shifts of Common Solvent Impurities?
At some point I managed to lose my copy of a paper listing 1H and 13C NMR shifts of common solvents. Does anyone have the reference handy?
