n-Heptane ≥99.3%, SPECTRONORM® for spectroscopy
Supplier: VWR Chemicals
Ratings:
(No Reviews)
Total Ratings: 0
Avg. Ratings: 0.0 out of 5
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Danger
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Synonyms:
high purity solvents
Filtered through a 0.2 µm filter, packaged under nitrogen.
84712.320EA
324
GBP
84712.320
84712.260
n-Heptane ≥99.3%, SPECTRONORM® for spectroscopy
n-Heptane
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
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Formula:
H₃C(CH₂)₅CH₃ MW: 100.20 g/mol Boiling Pt: 98.4 °C (1013 hPa) Melting Pt: –90,6 °C Density: 0.6838 g/cm³ (20 °C) Flash Pt: –4 °C Storage Temperature: Ambient |
MDL Number:
MFCD00009544 CAS Number: 142-82-5 EINECS: 205-563-8 UN: 1206 ADR: 3,II REACH: 01-2119457603-38 Merck Index: 13,04679 |
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Specification Test Results
| 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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