Potasio cloruro, patrón secundario para volumetrías, Titrasure®
| Packaging | Reference | Stock | My Price |
|---|---|---|---|
| x 100 g :: Botella de vidrio | PO02070100 | In stock  |
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- Synonyms: Chloro potassiumr- KClr- M = 74,56 g/molr- CAS [7447-40-7]r- EINECS-No.: 231-211-8r- Solub. in water: (20 ºC): 330 g/lr- Melting point: 773 ºCr- Boiling point: 1413 ºCr- LD 50 (oral, rat): 2600 mg/kgr- Tariff number: 3104 20 90 00r- Applications: analytical chemistry, laboratory reagent, photography, in buffer solutions, electrolyte for batteries.rrSPECIFICATIONSrassay (on dried sample): 99,0 - 100,5 %rinsoluble in water: max. 0,005 %rpH (5 %, H2O, 25 °C): 5,4 - 8,6rbromides (Br): max. 0,01 %rchlorates and nitrates (as NO3): max. 0,003 %riodides (I): max. 0,002 %rphosphates (as PO4): max. 0,0005 %rsulfates (SO4): max. 0,001 %rbarium (Ba): passes testrcalcium (Ca): max. 0,002 %rheavy metals (as Pb): max. 0,0005 %riron (Fe): max. 0,0003 %rmagnesium (Mg): max. 0,001 %rsodium (Na): max. 0,005 %rrThis standard solution is traceable to Standard Reference Material from NIST. r
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