Boric Acid Powder BiotechGrade size:500 GM Test Specification Min Max MELTING

Test Specification Min Max MELTING POINT 162 - 168 C 162 - 168 C pH OF A 10% SOLUTION @ 25[dC 6

Test Specification Min Max EUROPIUM 995 - 1005 ppm 995 - 1005 ppm TRACEABLE TO NIST 3117 3117 EXPIRATION DATE

Test Specification Min Max ASSAY (w/v) 47

99% APPROX

Test Specification Min Max CARBON (C) 995 - 1005 ppm 995 - 1005 ppm EXPIRATION DATE

Boric Acid Powder BiotechGrade size:500 GM Test Specification Min Max MELTINGTest Specification Min Max ODOR ODORLESS ODORLESS ASSAY (H[@3@]BO[@3@]; DRIED BASIS) 99. 5 100. 50% COLOR OF A 4% SOLUTION TO PASS TEST TO PASS TEST COMPLETENESS OF SOLUTION TO PASS TEST TO PASS TEST SOLUBILITY IN ALCOHOL TO PASS TEST TO PASS TEST pH OF 3. 3 % SOLUTION 3. 8 4. 8 LOSS ON DRYING (OVER SILICA) 0. 50% CARBONIZABLE SUBSTANCES TO PASS TEST TO PASS TEST ARSENIC (As) 8 ppm HEAVY METALS 0. 00% IRON (Fe) 0. 00% SULFATE 0. 01% ENDOTOXIN BY LAL