Urea 99,5-100,5, AnalaR NORMAPUR® Reag. Ph. Eur., ACS zA
Leverandør: VWR Chemicals
Ratings:
Ingen bedømmelse
Samlet vurdering
Gennemsntilig vurdering
Synonymer:
Urinstof
28877.235EA
367
DKK
28877.235
28877.292
28877.361
28877.260
28877.460
Urea 99,5-100,5, AnalaR NORMAPUR® Reag. Ph. Eur., ACS zA
Urea
Formel:
NH₂CONH₂ Molekylvægt: 60.06 g/mol Kogepunkt: 197 Smeltepunkt: 132.7 °C (lit.) Massefylde: 1.34 g/cm³ (20 °C) Opbevaringstemperatur: Stue temperatur |
MDL Number:
MFCD00008022 CAS-nummer: 57-13-6 EINECS: 200-315-5 REACH: 01-2119463277-33 Merck Index: 13,09935 |
|
Specifikationer Testresultater
Assay | 99.5 - 100.5 % |
Appearance of solution (10 %; water) | Clear and colourless |
IR Spectrum | Passes test |
Acidity | Max. 0.0005 meq/g |
Alkalinity | Max. 0.0005 meq/g |
Melting point | 132 - 135 °C |
Biuret | Max. 0,1% |
Heavy metals (as Pb) | Max. 4 ppm |
Ignition residue (SO4) | Max. 50 ppm |
Insolubility in water | Max. 30 ppm |
Loss on drying (100-105°C) | Max. 1.0 % |
Cl (Chloride) | Max. 5 ppm |
NH4 (Ammonium) | Max. 0.05 % |
SO4 (Sulphate) | Max. 10 ppm |
Cu (Copper) | Max. 1 ppm |
Fe (Iron) | Max. 1 ppm |
Pb (Lead) | Max. 2 ppm |
Conforms to ACS | Passes test |
Conforms to Reag. Ph.Eur. | Passes test |
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