Conductivity Calibration Standard 12880 uS Solution size:500 ML 473 SAPONIFICATION VALUE 14 -

473 SAPONIFICATION VALUE 14 - 57 14 - 57 SAPONIFICATION VALUE AFTER ACETYLATION 56 - 98 56 - 98 SOLUBILITY IN ALCOHOL TO PASS TEST TO PASS TEST SPECIFIC GRAVITY @ 25[dC 0

5 ppb CESIUM 0

Test Specification Min Max ASSAY (GC) 97

50% APPEARANCE WHITE CRYSTALLIN WHITE CRYSTALLIN CHLORIDE (Cl) 50 ppm IRON (Fe) 20 ppm ORTHOPHOSPHATE (PO[@4@]) 1%

Test Specification Min Max ASSAY 98% 98% MELTING POINT 86 - 88 C 86 - 88 C RETEST DATE

Conductivity Calibration Standard 12880 uS Solution size:500 ML 473 SAPONIFICATION VALUE 14 -Test Specification Min Max APPEARANCE COLORLESS SOLUTI COLORLESS SOLUTI CONDUCTANCE @25 C 12,880 + 53 S 12,880 + 53 S EXPIRATION DATE DATE OF MANUFACTURE