L (+)-Ascorbinsyre 99,7-100,5 oxidimetric ACS, Reag. Ph. Eur., ISO, Fluka™
Leverandør: Honeywell Chemicals
Ratings:
Ingen bedømmelse
Samlet vurdering
Gennemsntilig vurdering
Synonymer:
Ascorbic Acid, L-Ascorbic acid, (R)-5-((S)-1,2-Dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one, Acidum ascorbicum
33034H-100G
33034H-1KG
33034H-250G
HONC33034H-100GEA
386
DKK
HONC33034H-100G
HONC33034H-1KG
HONC33034H-250G
L (+)-Ascorbinsyre 99,7-100,5 oxidimetric ACS, Reag. Ph. Eur., ISO, Fluka™
L (+)-Ascorbinsyre
Formel:
C₆H₈O₆ Molekylvægt: 176.13 g/mol Kogepunkt: 553 Massefylde: 1.65 g/cm3 |
MDL Number:
MFCD00064328 CAS-nummer: 50-81-7 Merck Index: 13,00837 |
|
Specifikationer Testresultater
Identity (IR) | complying |
Assay (oxidimetric) | 99.7 - 100.5 % |
Specific rotation (a) 20/D | 20.5 - 21.5 ° |
Spec.rotation (a) 25/D | 20.5 - 21.5 ° |
Loss on drying (105°C) | Max. 0.1 % |
Sulfated ash | Max. 0.05 % |
Copper (Cu) | Max. 5 ppm |
Iron (Fe) | Max. 2 ppm |
Heavy metals (as Pb) | Max. 0.001 % |
Heavy metals (ICP) ACS | Max. 0.002 % |
Chloride (Cl) | Max. 0.005 % |
Sulfate (SO₄) | Max. 0.002 % |
Oxalic acid | Max. 0.2 % |
Related substances (HPLC) | complying |
Appearance of the solution | complying |
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