coa magnesium

7/23/2019 COA Magnesium

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Corporate Headquarters AMRESCO, LLC6681 Cochran RoadSolon, Ohio USA 44139-4300

440/349-1199FAX: 440/349-1182www.amresco-inc.comEmail: info@amresco-inc.com

CERTIFICATE OF QUALITY

Product: MAGNESIUM TRISILICATE, HYDRATE

Grade: USP GRADE

 Appearance: White powder 

Mol. Formula: 2MgO.3SiO2.xH2O

Mol. Weight: 260.86 (Anhydrous)

Description:

Code: 0125

 Assay: Min Max Units Disposition

 Acid-Consuming Capacity PASS P/F PASS

 Arsenic 0.0008 % PASS

Chloride 0.055 % PASS

Free Alkali PASS P/F PASS

Heavy Metals 0.003 % PASS

Identification PASS P/F PASS

Magnesium Oxide 20.0 % PASS

Silicon Dioxide 45.0 % PASS

SiO2/MgO 2.10 2.37 PASS

Soluble Salts 1.5 % PASS

Sulfate 0.5 % PASS

Water 17.0 34.0 % PASS

Title: QC MANAGER Date: 8/20/2013

Signature:

Storage: Store at room temperature. Protect from moisture.

This signature indicates that the above material has met all qualityspecifications and has been reviewed by a quality representative.

0125USP