Overall recommended test:

The gold bromide reagent is the best reagent for characterizing α-PVP and forms crystals reliably. The crystals however are very fragile and though infrared spectra can be obtained, the spectra are not information-rich.

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Browse the α-Pyrrolidinopentiophenone (α-PVP) Collections:

α-PVP in 5% Aqueous HAuCl₄

α-PVP in 5% HAuCl₄ in 1:2 concentrated H₂SO₄: H₂0

α-PVP in Gold Bromide (HAuBr4)