Xylenes Reagent ACS Non benzenoid Aromatic Compounds 50% ELEMENTAL IMPURITIES: NICKEL (Ni)

50% ELEMENTAL IMPURITIES: NICKEL (Ni) AS REPORTED AS REPORTED CHROMIUM (Cr) AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST TO PASS TEST RETEST DATE MANUFACTURE DATE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

05% LEAD 0

Test Specification Min Max ASSAY (ANHYDROUS BASIS) 950 1030 ug/mg IDENTIFICATION TO PASS TEST TO PASS TEST OPTICAL ROTATION -75� to -88� -75� to -88� CRYSTALLINITY TO PASS TEST TO PASS TEST pH 2

Test Specification Min Max ASSAY 10 +/- 0

Xylenes Reagent ACS Non benzenoid Aromatic Compounds 50% ELEMENTAL IMPURITIES: NICKEL (Ni)Test Specification Min Max ASSAY 98. 5 % XYLENE IS 98. 5 % XYLENE IS COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 0. 00% SUBSTANCES DARKENED BY (H[@2@]SO[@4@]) TO PASS TEST SULFUR COMPOUNDS (as S) 0. 00% WATER 0. 05%