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Zinc oxide, for analysis, ExpertQ®, ACS, Reag. Ph Eur

- ZnOr- M = 81,37 g/molr- CAS [1314-13-2]r- EINECS-No.: 215-222-5r- Solub. in water: (20 ºC): insolubler- Melting point: ~ 1970 ºCr- LD 50 (oral, rat): > 5000 mg/kgr- ADR: 9 M7 III UN 3077r- IMDG: 9 III UN 3077r- IATA/ICAO: 9 III UN 3077r- GHS-signal word: Warningr- GHS-H sentences: H400 - H410r- GHS-P sentences: P273 - P391 - P501ar- Tariff number: 2817 00 00 00r- Applications: analytical chemistry, laboratory reagent, reference material, in the pharmaceutics industry, in food industry, cosmetics.rrSPECIFICATIONSrassay (complexometric): min. 99,0 %rassay (complexometric, on ignited sample): 99,0 - 100,5 %rIdentification A: passes testrIdentification B: passes testrinsoluble in diluted H2SO4: max. 0,01 %rcarbonates and substances insoluble in acids: passes testralkalinity: passes testrchlorides (Cl): max. 10 ppmrnitrates (NO3): max. 30 ppmrsulphur compounds (as SO4): max. 100 ppm: rarsenic (As): max. 5 ppmrcadmium (Cd): max. 10 ppmrcalcium (Ca): max. 50 ppmriron (Fe): max. 10 ppmrlead (Pb): max. 50 ppmrmagnesium (Mg): max. 50 ppmrmanganese (Mn): max. 5 ppmrpotassium (K): max. 100 ppm: rsodium (Na): max. 500 ppmrloss on ignition (500 °C): max. 1,0 %r