Not official USP-NF text		Column Equivalency Information
PACKING	An anion-exchange resin made of porous polymethacrylate or polyacrylate gel with quaternary ammonium groups, 7 to 12 µm in size.
L23	BRAND NAME	MANUFACTURER
	Allsep	Grace - Alltech
	BioSuite DEAE	Waters Corp.
	BioSuite Q-PEEK	Waters Corp.
	Cosmogel QA	Nacalai Tesque, Inc.
	Discovery BIO PolyMA-WAX	Supelco
	IC-Pak Anion	Waters Corp
	IC-Pak Anion HR	Waters Associates
	MCI GEL CQA31S	Mitsubishi Chem Corp
	MetroSep Anion Dual 2	Metrohm-Peak, Inc.
	Nucleogel SAX	Macherey-Nagel
	PRP-X500	Hamilton Co.
	Protein-Pak Q 8HR	Waters Corp.
	Shodex IEC QA-825	Shodex
	Super-Sep IC Anion	Metrohm-Peak
	TSKgel BioAssist Q	Tosoh Bioscience
	TSKgel DNA-STAT	Tosoh Bioscience
	TSKgel IC-Anion-PW	Tosoh Bioscience
	TSKgel Q-STAT	Tosoh Bioscience
	TSKgel SuperQ-5PW	Tosoh Bioscience