n-Heptan 99,30%, SPECTRONORM® für die Spektroskopie

Lieferant: VWR Chemicals
Gefahr

Synonyms: n-Dipropylmethan

Filtriert über 0,2 µm-Filter. Unter Stickstoff abgefüllt.

84712.320EA 418 CHF
84712.320 84712.260
n-Heptan 99,30%, SPECTRONORM® für die Spektroskopie
n-Heptan

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

Formel: H₃C(CH₂)₅CH₃
MW: 100,20 g/mol
Siedepunkt: 98,4 °C (1013 hPa)
Melting Pt: –90,6 °C
Dichte: 0,6838 g/cm³ (20 °C)
Flash-Pt: −4 °C
Lager Temperatur: Raumtemperatur
MDL Number: MFCD00009544
CAS-Nummer: 142-82-5
EINECS: 205-563-8
UN: 1206
ADR: 3,II
REACH: 01-2119457603-38
Merck Index: 13,04679
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Spezifikation Testergebnisse

Assay (GC) ≥ 99,3 %
Acidity ≤ 0,0001 meq/g
Alkalinity ≤ 0,0002 meq/g
Colouration ≤ 10 APHA
Evaporation residue ≤ 2 ppm
Water ≤ 50 ppm
Absorbance (200 nm) ≤ 0,70
Absorbance (210 nm) ≤ 0,26
Absorbance (220 nm) ≤ 0,10
Absorbance (228 nm) ≤ 0,05
Absorbance (from 245 nm) ≤ 0,01
Transmittance (200 nm) ≥ 20 %
Transmittance (210 nm) ≥ 55 %
Transmittance (220 nm) ≥ 80 %
Transmittance (228 nm) ≥ 90 %
Transmittance (from 245 nm) ≥ 98 %
Fluorescence (as quinine) (254 nm) ≤ 1,0 ppb
Fluorescence (as quinine) (365 nm) ≤ 1,0 ppb

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