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

- Synonyms: Knollider- KIr- M = 166,01 g/molr- CAS [7681-11-0]r- EINECS-No.: 231-659-4r- Solub. in water: (20 ºC): solubler- Melting point: 686 ºCr- Boiling point: 1330 ºCr- Vapour pressure: (745 ºC) 1,3 hPar- LD 50 (oral, rat): 2779 mg/kgr- GHS-signal word: Dangerr- GHS-H sentences: H372r- GHS-P sentences: P260 - P264 - P270 - P314 - P501ar- Tariff number: 2827 60 00 90r- Applications: analytical chemistry, laboratory reagent, emulsifier (photography).rrSPECIFICATIONSrassay (argentometric): min. 99,5 %rassay (titrimetric, referred to dried sample): 99,0 - 100,5 %rassay (titrimetric): min. 99,0 %rIdentification iodides: passes testrIdentification potassium: passes testrappearance of solution : passes testrinsoluble in water: max. 0,005 %rpH (5 %, H2O): 6,0 - 8,0 ralkalinity: passes testrchlorides and bromides (as Cl): max. 100 ppm: riodates (IO3): max. 3 ppmriodates (IO3): passes testriodates (IO3) and iodine (I) (as IO3) : max. 3 ppmrphosphates (PO4): max. 10 ppmrsulfates (SO4): max. 50 ppmrthiosulfates (S2O3): passes testrtotal nitrogen (as N): max. 0,001 %rarsenic (As): max. 0,1 ppmrbarium (Ba): max. 20 ppmrcalcium (Ca): max. 10 ppmrheavy metals (as Pb): max. 5 ppmriron (Fe): max. 3 ppmrmagnesium (Mg): max. 10 ppmrsodium (Na): max. 50 ppmrreducing substances: passes testrloss on drying (105 ºC, 3 h): max. 1,0 %rloss on drying (150ºC, 6 h): max. 0,2 %r