Viscosities of L-Phenylalanine, L-Leucine, L-Glutamic Acid, or L-Proline + 2.0 mol·dm-3 Aqueous NaCl or 2.0 mol·dm-3 Aqueous NaNO3 Solutions at T = (298.15 to 328.15) K Riyazuddeen; Afrin, S.; Journal of Chemical & Engineering Data 2010, 55, 3282-3285