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n-Heptan ≥99.3%, SPECTRONORM® for spectroscopy

Dodavatel: VWR Chemicals
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Filtered through a 0.2 µm filter, packaged under nitrogen.

84712.320EA 9100 CZK
84712.320 84712.260
n-Heptan ≥99.3%, SPECTRONORM® for spectroscopy
n-Heptane

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

Vzorec: H₃C(CH₂)₅CH₃
Bod varu: 98,4 °C (1013 hPa)
Bod tání: –90,6 °C
Hustota: 0,6838 g/cm³ (20 °C)
Bod vzplanutí: –4 °C
Storage Temperature: Ambient
MDL Number: MFCD00009544
CAS číslo: 142-82-5
EINECS: 205-563-8
UN: 1206
ADR: 3,II
REACH: 01-2119457603-38
Merck Index: 13,04679
https://digitalassets.avantorsciences.com/adaptivemedia/rendition?id=8ff97126664c92362bf0aa2645719548c99f0533&vid=469760db048f80987a6c4efd67780a72a51e3c4f&prid=web&clid=SAPDAM

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Výsledky specifikačního testu

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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