Guard columns for EC columns NUCLEODUR® C18 Gravity, 5µm
NUCLEODUR® C18 - C 8 Gravity nonpolar high density phases

available as octadecyl (C18 -USP L!) and octyl (C8 - USP L7) modifications
Pore size 110 Å; particle sizes 1,8µm, 3µm and 5µm for C18, 1,8 and 5µm for C8
7, 10, 12 and 16µm particles for preparative separations on request
carbon content 18 %C for C18 , 11%C for C8
ideal for method development
allows HPLC at pH extremes (pH 1 - 11)
suitable for LC/MS due to low bleeding characteristics
recommended for overall sophisticated analytical separations
optimal for: pharmaceuticals, e.g. analgesics, antiinflammatory drugs, antidepressants; herbicides; phytopharmaceuticals; immunosppressants

Type for 4 and 4.6 mm i.d.