Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
FTIR spectra of co-amorphous indomethacin–arginine (IND–ARG), IND–histidine (HIS), and IND–lysine (LYS) mixtures prepared by spray-drying (SD) with (a) 55% acetone as solvent and (b) 80% ethanol as solvent. For comparison, the FTIR spectrum of amorphous (A) IND is also shown in (b).
