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Polyamide
| Polyamide is based on Nylon 6. Due to its
activation process it exhibits a constant selectivity toward flavones, chalkones,
anthraquinones, aromatic nitro compounds, DNP amino acids, phenols, carbonic acids, acid
amides, sulphonic acids and amides of sulphonic acids as well as towards amines and
quinones. Forces which contribute to the separation involve hydrogen bonding between the nitro groups, the phenolic protons, the carboxyl groups, etc. of the sample and the free amino groups of the sorbent. The following SAI Catalog #s are recommended:
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