Hello to everybody....how can i get better result of 260/230 in RNA extraction with trizol?

i have RNA that i extracted it with trizol. it has good concentration ( 1010ng/ul) and good 260/280 (1.9) but 260/230 isn't good ( 0.5)....now how can i improve it? can i use again from this RNA...

25 January 2020 4,420 3 View