WaterSolutions DOWEX MONOSPHERE MR-72 LC NG Mixed Ion Exchange Resin

DOWEX™ MR-72 LC NG is a mixed ion exchange resin for use in nuclear power applications.

Type	Matrix	Functional Group
1 : 1 by equivalent cation : anion	Styrene-DVB, macroporous and Styrene-DVB, gel	Sulfonic Acid and Quaternary Amine

Guaranteed Sales Specification	Units	OH^- Form	H⁺ Form
Total Exchange Capacity, min.	eq/L kgr/ft³ as CaCO₃	1.2 26.2	1.7 37.1
Water Retention Capacity	%	60 max.	50 - 56
Particle Size Distribution > 1200 µm, max. (16 mesh) < 420 µm, max (40 mesh) < 300 µm, max. (50 mesh)	% % %	2 1 0.2	3 — 0.2
Whole Uncracked Beads, min.	%	95	95
Crush Strength Average, min. > 200 g/bead, min.	g/bead %	350 95	— —

Trace metals, ppm dry resin, max.

Cation
Anion

Na
60
40

Fe
100
50

Cu
30
10

Al
50
50

Mg
—
50

Ca
—
50

Co
30
30

Pb
30
10

Hg
20
10

Heavy Metals (as Pb)
—
10

Ionic conversion, min.

OH^-
95% min.

Cl^-
0.1% max.

CO₃
5% max.

SO₄
0.1% max.

H⁺
99.7% min.

Typical Physical and Chemical Properties Not to be construed as Sales Specifications	Units	OH^- Form	H⁺ Form
Particle Density	g/mL	1.08	1.20
Shipping Weight**	g/L lbs/ft³	700 44