n-Heptan 99,3, SPECTRONORM® Spectroscopy
Dostawca: VWR Chemicals
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Niebezpieczeństwo
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Synonim:
high purity solvents
Filter 0,2 um_Nitrogen_filled
84712.320EA
1740
PLN
84712.320
84712.260
n-Heptan 99,3, SPECTRONORM® Spectroscopy
n-Heptane
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
Formuła:
H₃C(CH₂)₅CH₃ MW: 100.20 g/mol Temp. Wrzenia: 98.4 °C (1013 hPa) Temp. topnienia: –90,6 °C Gęstość: 0.6838 g/cm³ (20 °C) Temp. Zapłonu: –4 °C Temperatura przechowywania: Temperatura otoczenia |
Numer MDL:
MFCD00009544 Numer CAS: 142-82-5 Numer WE (dawny EINECS): 205-563-8 Jednostka: 1206 ADR: 3 II REACH: 01-2119457603-38 Klasyfikacja Merck : 13,04679 |
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Wyniki testów specyfikacyjnych
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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