简介:Ultra high performance liquid chromatography (UHPLC) and LC/MS/MS
methods determine free carbonyl compounds in air after derivatization with
2,4-dinitrophenylhydrazine. The methods use UHPLC with DAD detection and
tri简介:Ultra high performance liquid chromatography (UHPLC) and LC/MS/MS
methods determine free carbonyl compounds in air after derivatization with
2,4-dinitrophenylhydrazine. The methods use UHPLC with DAD detection and
triple quadrupole LC/MS/MS to identify and quantitate the target analytes. Using
an Agilent InfinityLab Poroshell 120 EC-C18 HPLC column, UHPLC separates
14 carbonyl-DNPH components in 12 minutes. LC/MS/MS gives a lower limit of
detection than LC alone. Using multiple reaction monitoring, more carbonyl-DNPH
can be resolved.详细>