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(Shannon Chemical Corporation <br />Specializing in LEAD and COPPER Corrosion Control <br />LETTER OF CERTIFICATION <br />SE-2355-20 <br />Sodium Permanganate <br />SE-2355-20 is a 200 liquid sodium permanganate solution with the <br />following chemical and physical specifications: <br />Formula: <br />Color: <br />Specific Gravity: <br />Density: <br />Concentration(Assay): <br />Solubility: <br />pH: <br />Freezing Point: <br />NSF Max Use: <br />NaMn04 <br />Deep Purple Solution <br />1.17 ± 0.01 <br />9.7#/gallon ± 0.1 <br />20.50 ± 1 <br />Complete <br />5.0 - 8.0 <br />-6°C (21°F) <br />176 mg/L <br />General: <br />SHANNON CHEMICAL CORPORATION'S liquid permanganates are widely used in <br />potable drinking water as an effective oxidant. Other uses <br />include taste and odor control, reduction of common metals (Fe and <br />Mn), radium reduction and color reduction. Some utilities use <br />sodium permanganate for H2S control as well as preoxidant for HAA <br />and THM control and reduction. <br />SE-2355-20 is available in 30 and 55 gallon drums, 275 gallon <br />returnable totes and 4000 gallon bulk deliveries. <br />Daniel C. Flynn <br />Vice President -Operations <br />SHANNON CHEMICAL CORPORATION <br />Post Office Box 376 0 Malvern, Pennsylvania 19355 o (610) 363-9090 0 Fax: (610) 524-6050 <br />