Citronensäure Monohydrat 99,7-100,5%, AnalaR NORMAPUR® ACS, Reag. USP, Reag. Ph. Eur. analytisches Reagens
Lieferant: VWR Chemicals
|
Achtung
|
20276.235EA
33.1
CHF
20276.235
20276.292
20276.361
20276.460
Citronensäure Monohydrat 99,7-100,5%, AnalaR NORMAPUR® ACS, Reag. USP, Reag. Ph. Eur. analytisches Reagens
Citronensäure Monohydrat
Formel:
C₆H₈O₇.H₂O Melting Pt: 135…152 °C Dichte: 1.552 g/cm³ (20 °C) Flash-Pt: 173.9 °C (closed cup) Lager Temperatur: Raumtemperatur |
MDL Number:
MFCD00149972 CAS-Nummer: 5949-29-1 EINECS: 201-069-1 Merck Index: 13,02350 |
Spezifikation Testergebnisse
Assay | 99.7 - 100.5 % |
Identification (IR) | Passes test |
Readily carbonisable substances | Passes test |
Heavy metals (as Pb) | Max. 10 ppm |
Ignition residue (SO4) | Max. 0.02 % |
Insolubility in water | Max. 50 ppm |
Oxalic acid (calculated on anhydrous) | Max. 360 ppm |
Tartaric acid | Max. 0.2 % |
Water | 7.5 - 9.0 % |
C2O4 (as C2H2O4) | Max. 0.04 % |
Cl (Chloride) | Max. 5 ppm |
PO4 (Phosphate) | Max. 10 ppm |
SO4 (Sulphate) | Max. 20 ppm |
As (Arsenic) | Max. 0.1 ppm |
Ca (Calcium) | Max. 20 ppm |
Cu (Copper) | Max. 5 ppm |
Fe (Iron) | Max. 3 ppm |
Mg (Magnesium) | Max. 5 ppm |
Ni (Nickel) | Max. 1 ppm |
Pb (Lead) | Max. 2 ppm |
Conforms to ACS | Passes test |
Conforms to Reag. Ph.Eur. | Passes test |
Conforms to Reag. USP | Passes test |
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