Phenolphthalein (Reag. USP, Ph. Eur.) for analysis, ACS

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Phenolphthalein (Reag. USP, Ph. Eur.) for analysis, ACS
Content: 100 GRM
Physical Description:
solid
Quality Name: for analysis, ACS
Specification: Minimum assay (HPLC.)@99.0%§Identity@IR passes test§A 1% , 1 cm, ? max.@>680§? of max. ABS@551 - 554 nm§Melting range@258-263°C§Range of Transition interval according to ACS@passes test§T.L.C.@passes test§CHAR(13) + CHAR(10) Maximum limit of impurities@§pH transition interval: colourless@8.0§pH transition interval: violet red@10.0§Insoluble matter in C2H5OH@passes test§Loss on drying at 105°C@1.0%§Residue on ignition (as SO4)@0.1 %§As@0.0002 %§Cu@0.0005 %§Fe@0.005 %§Ni@0.0005 %§Pb@0.0005 %