n-Heptan 99,30%, SPECTRONORM® für die Spektroskopie
Lieferant: VWR Chemicals
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Gefahr
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Filtered through a 0.2 µm filter, packaged under nitrogen.
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.
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Formel:
H₃C(CH₂)₅CH₃ 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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