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WaterSolutions DUOLITE AP143/1093 Strong Base Anion Resin

DUOLITE™ AP143/1093 is an insoluble, strongly basic, anion exchange resin suitable for pharmaceutical applications either as an active ingredient or as a multifunctional excipient for controlled release and taste masking applications.

Type	Matrix
Strong Base Anion	Macroreticular aromatic polymer

Guaranteed Sales Specification	Units	Cl^- form
Particle size^[2]	microns	95% min. < 100 40% min. < 50
Loss on Drying ^{[2] [3]}	%	12 max
Heavy metals ^{[1] [2] [3]}	ppm	20 max
Identity (by IR spectrum) ^{[2] [3]}		Identical to reference standard
pH of slurry ^{[2] [3]}		4.0 - 6.0
Sulphated Ash ^{[1] [2] [3]}	%	0.1 max
Dialysable Quaternary amine ^{[2] [3]}	ppm	500 max
Chloride content ^{[1] [2] [3]}	%	13.0 - 17.0
Sodium glycocholate exchange capacity ^{[2] [3]}	g/g	1.8 - 2.2
Styrene ^{[1] [2] [3]}	NMT ppm	1

^[1] Measured on dry basis
^[2] Contractual value
^[3] Appears in current EP
Test methods are available on request.

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WaterSolutions DUOLITE AP143/1093 Strong Base Anion Resin

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