Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts September 10, 2015 at 7:31 am in reply to: Does SCIO use Roman spectroscopy? #2005 Justin ZhuParticipant A unknown mixture means that we do not have the same or similar spectrums of it before. Author Posts Viewing 1 post (of 1 total)