Activated Charcoal Reagents for Organic Thin-film Solar Cell Research Test Specification Min Max ASSAY

Test Specification Min Max ASSAY 96% 96%

01% 2-BUTANONE 0

Test Specification Min Max SENSITIVITY TO NITRATE TO PASS TEST TO PASS TEST CLARITY OF SOLUTION TO PASS TEST TO PASS TEST LOSS ON DRYING @ 105 C 13

00% CARBONATE (as BaCO[@3@]) 2

Test Specification Min Max HAFNIUM 995 - 1005 ppm 995 - 1005 ppm STANDARDIZED AGAINST NIST 3122 3122 EXPIRATION DATE

Activated Charcoal Reagents for Organic Thin-film Solar Cell Research Test Specification Min Max ASSAYTest Specification Min Max ABSORPTIVE POWER TO PASS TEST TO PASS TEST REACTION TO PASS TEST TO PASS TEST RESIDUE ON IGNITION 4. 00% ACID SOLUBLE SUBSTANCES 3. 50% ALCOHOL SOLUBLE SUBSTANCES 0. 20% UNCARBONIZED CONSTITUENTS TO PASS TEST TO PASS TEST CHLORIDE (Cl) 0. 02% SULFATE 0. 15% SULFIDE (S) TO PASS TEST TO PASS TEST