Hary @hary Active 3 years, 11 months ago Activity Profile Forums Topics Started Replies Created Engagements Favorites Search replies: Forum Replies CreatedViewing 1 post (of 1 total)AuthorPosts December 14, 2020 at 8:09 pm in reply to: BOMB protocol #6.4 TNA extraction from plants #9549 HaryParticipantHi Mike,Did you finally resolve the peak problem at 220-230 nm and a low ratio of 260/280?. I have the same problem when testing protocol #6.4 for Eucalyptus species. ThanksHaryAuthorPostsViewing 1 post (of 1 total)