CHIRALDEX PM

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Ordering Information: B-PM

Astec CHIRALDEX B-PM and Bonded B-PM capillary GC columns incorporate a phase consisting of a 2,3,6-tri-O-methyl derivative of β-cyclodextrin. This phase exhibits broad chiral selectivity and is good for terpenes and tertiary amines.

Type / Name	Derivative	β-Phase	Max. Temp.(°C) Isothermal	Max. Temp.(°C) Programmed
PM / Permethyl	2,3,6-tri-O-methyl	B-PM	200	220

Features

Broad chiral selectivity
Strong inclusion/size selectivity

Mechanism Observations

Inclusion is the dominant mechanism
Along with the DM phases, has the highest temperature stability of the Astec CHIRALDEX line

Size Selectivity

Some size selectivity is evident with this phase. Covers a broad range of molecule sizes.

Specific Classes of Compounds Separated

Use this table as a reference to help determine the proper column based on the analyte(s) of interest.

Type	Compound Class
B-PM	Acids, alcohols, barbitals, diols, epoxides, esters, hydrocarbons, ketones, lactones, and terpenes.

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