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n-Heptan ≥99.0% (by GC, corrected for water content) for HPLC, UHPLC, for spectrophotometry, J.T.Baker®

Dodávateľ: Avantor
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9177.1000EA 189.44 EUR
9177.1000
n-Heptan ≥99.0% (by GC, corrected for water content) for HPLC, UHPLC, for spectrophotometry, J.T.Baker®
n-Heptane
Vzorec: H₃C(CH₂)₅CH₃
Mw: 100,20 g/mol
Teplota varu: 98,4 °C (1013 hPa)
Teplota tavenia: –90,6 °C
Hustota: 0,6838 g/cm³ (20 °C)
Teplota vzplanutia: –4 °C
Skladovacia teplota: Ambient
Číslo MDL: MFCD00009544
Číslo CAS: 142-82-5
EINECS: 205-563-8
OSN: 1206
ADR: 3,II
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Výsledky špecifikačného testu

Assay (by GC) (corrected for water) min. 99.0 %
Residue after Evaporation max. 2 ppm
Substances Darkened by H2SO4 passes test
Water (by KF, coulometric) max. 0.01 %
Fluorescence Trace Impurities (as quinine base), ppb:
Measured at Emission Maximum for Solvent Impurities max. 1.0
Measured at 450 nm max. 0.2
Ultraviolet Absorbance (1.00-cm path vs water):
at 210 nm max. 0.40
at 220 nm max. 0.10
at 254-400 nm max. 0.01
UV Cut-off, nm max. 197

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