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1.06007

Supelco

Methanol

≥99.9% (GC), gradient grade, suitable for HPLC, LiChrosolv®, reag. Ph. Eur.

Synonym(s):

Methyl alcohol

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About This Item

Linear Formula:
CH3OH
CAS Number:
Molecular Weight:
32.04
Beilstein:
1098229
MDL number:
UNSPSC Code:
12191502
EC Index Number:
200-659-6
NACRES:
NA.03

product name

Methanol, gradient grade for liquid chromatography LiChrosolv® Reag. Ph Eur

grade

gradient grade
gradient grade

Quality Level

Agency

reag. Ph. Eur.

vapor density

1.11 (vs air)

vapor pressure

128 hPa ( 20 °C)
410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

product line

LiChrosolv®

Assay

≥99.9% (GC)

form

liquid

autoignition temp.

725 °F

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General description

With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, we offer solvents in "gradient grade" as well as "isocratic grade". This enables to minimize the gradient effect of the solvent involved.

Application

Methanol is used as a solvent:
  • In the mobile phase to separate mercury species on a Zorbax C18 reverse phase column. [1]
  • To wash the cartridges and as an eluent to extract the analytes during the solid-phase extraction (SPE) process. [2]

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Evaporation Number: 1.9
Purity (GC): ≥ 99.9 %
Identity (IR): conforms
Evaporation residue: ≤ 2.0 mg/l
Water: ≤ 0.02 %
Color: ≤ 10 Hazen
Density (d 20 °C/20 °C): 0.791 - 0.793
Boiling point: 64 - 65 °C
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Gradient grade (at 235 nm): ≤ 2.0 mAU
Gradient grade (at 254 nm): ≤ 1.0 mAU
Fluorescence (as quinine at 254 nm): ≤ 1.0 ppb
Fluorescence (as quinine at 365 nm): ≤ 0.5 ppb
Transmission (at 210 nm): ≥ 20 %
Transmission (at 220 nm): ≥ 60 %
Transmission (at 230 nm): ≥ 75 %
Transmission (at 235 nm): ≥ 83 %
Transmission (at 250 nm): ≥ 95 %
Transmission (from 260 nm): ≥ 98 %
Absorbance (at 225 nm): ≤ 0.170
Filtered by 0.2 µm filter.
Suitable for UPLC / UHPLC /Ultra HPLC - instruments.
Conforms to Methanol R1 and R2 according to Reag. Ph Eur;
conforms to the requirements of ACS for liquid chromatography suitability.

Other Notes

Explore various lab safety accessories and equipment for safe handling of solvents to increase your safety level from the first usage.

Legal Information

LICHROSOLV is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

Target Organs

Eyes,Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

49.5 °F - closed cup

Flash Point(C)

9.7 °C - closed cup


  • Certificates of Analysis (COA)

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    Determination of mercury species by the diffusive gradient in thin film technique and liquid chromatography--atomic fluorescence spectrometry after microwave extraction.
    Pavlna P et al.
    Analytica Chimica Acta, 866, 21-26 (2015)
    Heterocyclic amines in aged and thermally treated pork longissimus dorsi muscle of normal and PSE quality.
    T Polak et al.
    LWT--Food Science and Technology, 42, 504-513 (2009)

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