在线观看五月婷网站_亚洲成AV人片一区二区_月本无码_国产乱子影视频上线免费观看_91久久久69_天天日天天干天天射天天操_激情综合成人网在线观看_精品亚洲视频一区二区三区_91国自产精品一区二区三区_亚洲AV成人中文无码专区在线

UltraSep ESD CHOL

The special packings UltraSep ES CAAM and UltraSep ES CAAC were developed for the analysis of metabolic products of catecholamines and of serotonine in samples of urine. Columns for normal as well as

Mixtures of nucleobases, nucleosides, and nucleotides （e. g. hydrolysates of nucleic acids） can be separated by the high selective UltraSep ES PHARM RP18 packings as well as by

The packings for the separation of proteins were developed on the basis of a wide-pore material with an average pore diameter of 30 nm. This material allows a high resolution and separations of protei

The column is suitable for the separation of derivatives of amino acids （A） and peptides （P）. The common procedures are summarized in the following table. If samples are not often analyzed, esp. DABSY

MLD packings （MLD = monolayer dense） are very stable solide supports, known in the literature as “mixed self-assembled monolayers （SAM）”. They can be used both for basic and acidic compounds in a re