n-Heptane ≥99.3% (by GC), LiChrosolv®, hypergrade for LC-MS
Supplier: Merck
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Danger
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M-Clarity™ quality level = MQ100
1.03654.1000
1.03654.2500
1.03654.1000EA
115
EUR
1.03654.1000
1.03654.2500
n-Heptane ≥99.3% (by GC), LiChrosolv®, hypergrade for LC-MS
n-Heptane
LiChrosolv® hypergrade is accurately tested for LC-MS suitability, and meet all the requirements of modern LC-MS ionization methods (ESI/APCI - positive and negative mode).
Thanks to their low level of ionic background and low ion suppression, LiChrosolv® hypergrade solvents provide high reproducibility and high ionization efficiency. The packaging material has been improved to meet LC-MS quality requirements perfectly.
Formula:
H₃C(CH₂)₅CH₃ Boiling Pt: 97…98 °C (1013 hPa) Melting Pt: –90,5 °C Density: 0,68 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 |
Specification Test Results
Purity (GC) | ≥99,3% |
Identity (IR) | Conforms |
Evaporation Residue | ≤2,0 mg/l |
Water | ≤0,05% |
Acidity | ≤0,0002 meq/g |
Alkalinity | ≤0,0002 meq/g |
Al (Aluminium) | ≤ 10 ppb |
Ca (Calcium) | ≤10 ppb |
Fe (Iron) | ≤10 ppb |
K (Potassium) | ≤5 ppb |
Mg (Magnesium) | ≤10 ppb |
Na (Sodium) | ≤10 ppb |
Transmission (at 210 nm) | ≥50% |
Transmission (at 220 nm) | ≥80% |
Transmission (from 245 nm) | ≥98% |
Suitable for LC-MS; Intensity of Background Mass Peak Based on Reserpine (APCI/ESI Positive) | ≤2 ppb |
Suitable for LC-MS; Intensity of Background Mass Peak Based on Reserpine (APCI/ESI Negative) | ≤20 ppb |
Filtered by 0,2 μm Filter |
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