B&M polyamide tīwae whakamahia i runga i te tikanga kōaro, i roto i te pūhui rōpū hydroxyl me te kaha here hauwai i waenganui i ngā rōpū amides o te resin, adsorption i wairewa wai otinga methanol pūhui polar (- OH rōpū, rawa te pūhui phenolic), e whakamahia ana mo te tangohanga o te tannins, te chlorophyll, te waikawa humic me nga mahi rongoa o te terpenoid, flavonoids, waikawa galic, catechin, protocatechuic Ka whakamahia te waikawa me te phloroglucinol ki te tango i te waikawa carboxylic kakara me te pupuri i nga pūhui kakara benzoquinone nitro e kore e taea te huri.

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