Na-Additiv

Natrium als Additiv / sodium as additive

without additive pre column, without additive post column, pos. mode (chromatogram)
with formic acid pre column, with sodium acetate post column, pos. mode (chromatogram)
with formic acid pre column, with sodium citrate pH 7.8 post column, pos. mode (chromatogram)
with formic acid pre column, with sodium citrate pH 5.0 post column, pos. mode (chromatogram)
with formic acid pre column, with sodium citrate pH 3.1 post column, pos. mode (chromatogram)