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Potassium carbonate, for analysis, ExpertQ®, ACS, ISO, Reag. Ph Eur

- Synonyms: Potashr- K2CO3r- M = 138,21 g/molr- CAS [584-08-7]r- EINECS-No.: 209-529-3r- Solub. in water: (20 ºC): solubler- Melting point: 891 ºCr- LD 50 (oral, rat): > 2000 mg/kgr- GHS-signal word: Warningr- GHS-H sentences: H315 - H319 - H335r- GHS-P sentences: P261 - P280 - P305+P351+P338 - P321 - P405 - P501ar- Tariff number: 2836 40 00 00r- Applications: analytical chemistry, laboratory reagent, manufacture of glass, in the ceramics industry, inorganic salts, cosmetics.rrSPECIFICATIONSrassay (acidimetric, on dried sample): min. 99,0 %rassay (acidimetric): min. 99,0 %ridentity (IR-spectrum): passes testrinsoluble matter: max. 0,005 %rchlorides (Cl): max. 0,003 %rphosphates (as PO4): max. 0,001 %rphosphates and silicates (as SiO2): max. 0,005 %rsilicates (SiO2): max. 0,005 %rtotal nitrogen (as N): max. 0,001 %rtotal sulphur (as SO4): max. 0,003 %rcalcium (Ca): max. 0,002 %rcopper (Cu): max. 5 ppmrheavy metals: max. 5 ppmriron (Fe): max. 5 ppmrlead (Pb): max. 5 ppmrmagnesium (Mg): max. 0,002 %rsodium (Na): max. 0,02 % rloss on drying (300 °C): max. 1,0 %r