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70-200) for Mass spectrometry
Mono-n-heptyl phthalate
POLYGOSIL 60-5
This HPLC column is packed with unmodified original NUCLEOSIL silica gel
Claritas PPT® Grade Boron 11
Retention gaps, CW (carbowax, polyethylene glycol), polar Phase - CHROMABOND C6H5 70-200) for Mass spectrometryThe retention gap technique in combination with on column injection allows concentration of a large sample volume in the capillary column. Retention gaps consist of uncoated (no stationary phase), deactivated fused silica capillary tubing. A retention gap must be inert without any noticeable retention (analytes are not retained). Carbowax (CW, polyethyleneglycol, polar) deactivated is suitable for direct aqueous injection. Improve peak shape by
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