Silica Gel Grade 922 200 Mesh and Finer Standard Chemical Solutions 0 % RETEST DATE RETEST

0 % RETEST DATE RETEST DATE

0002 meq CARBONYL COMPOUNDS: ACETONE 0

Test Specification Min Max CHROMIUM (Cr) 995 - 1005 ppm 995 - 1005 ppm STANDARDIZED AGAINST NIST 3112 3112 EXPIRATION DATE

3 ppm MAGNESIUM (Mg) 0

Test Specification Min Max PARAROSANILINE ACETATE (CAS # 6035-94-5) 3 parts 3 parts PARAROSANILINE CHLORIDE (CAS # 569-61-9) 1 parts 1 parts APPEARANCE Green to very da Green to very da IDENTIFICATION TO PASS TEST TO PASS TEST SOLUBILITY OF 1 MG/ML SOLUTION (COLOR) Red to very dark Red to very dark

Silica Gel Grade 922 200 Mesh and Finer Standard Chemical Solutions 0 % RETEST DATE RETESTTest Specification Min Max NO SPECIFICATIONS