N,N-Dimetylformamid ≥99.9%, SPECTRONORM® for spectroscopy

Leverandør: VWR Chemicals
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0,2 µm Filtrert. Packaged under nitrogen.

84710.290EA 1600 NOK
84710.290 84710.320
N,N-Dimetylformamid ≥99.9%, SPECTRONORM® for spectroscopy
N,N-Dimetylformamid

SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.

Formel: HCON(CH₃)₂
Kokepunkt: 153 °C (1013 hPa)
Smeltepunkt: −60,5 °C
Tetthet: 0,949 g/cm³ (20 °C)
Flash punkt: 57,5 °C (DIN 51755) (closed cup)
Lagringstemperatur: Romtemperatur
MDL nummer: MFCD00003284
CAS-nummer: 68-12-2
EINECS: 200-679-5
FN: 2265
ADR: 3,III
REACH: 01-2119475605-32
Merck Indeks: 13,03269
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Spesifikasjon Testresultater

Assay (GC) ≥ 99.9 %
Colouration ≤ 10 APHA
Acidity ≤ 0.0002 meq/g
Alkalinity ≤ 0.0002 meq/g
Evaporation residue ≤ 2 ppm
Water (KF) ≤0.02 %
Absorbance (270 nm) ≤ 0.6
Absorbance (275 nm) ≤ 0.2
Absorbance (280 nm) ≤ 0.1
Absorbance (290 nm) ≤ 0.1
Absorbance (300 nm) ≤ 0.05
Absorbance (330 nm) ≤ 0.01
Transmittance (270 nm) ≥ 25%
Transmittance (275 nm) ≥ 60%
Transmittance (280 nm) ≥ 80%
Transmittance (290 nm) ≥ 80%
Transmittance (300 nm) ≥ 90%
Transmittance (330 nm) ≥ 98%

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