LC/MS Solvents

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Designed exclusively for LC/MS analysis and undergo specification testing to ensure suitability, stability and reproducibility including particle test. This minimizes damaging instruments such as pumps and injectors.

Specifications

  Acetonitrile Methanol 2-Propanol Pure water
QC items specifications
Appearance colorless, clear liquid colorless, clear liquid colorless, clear liquid colorless, clear liquid
Specific Gravity (20°C) 0.780~0.783g/mL 0.789~0.792g/mL 0.784~0.787g/mL 0.997~0.999g/mL
Reflective index (20°C) 1.343~1.346 1.327~1.330 1.376~1.378 1.332~1.334
Absorbance 200nm 0.05 max. - - -
210nm 0.03 max. 0.60 max. 0.05 max. 0.01 max.
220nm 0.02 max. 0.03 max. -
230nm 0.01 max. 0.15 max. 0.10 max.
240nm 0.005 max. 0.06 max. -
254nm - 0.015 max. 0.01 max.
260~400nm - 0.01 max.
Moisture 0.05% max. 0.05% max. 0.05% max. -
Residue after evaporation 0.001% max. 5ppm max. 0.001% max. 5ppm max.
Acidity (as acetic acid) 0.001% max. 0.001% max. 0.001% max. -
Ammonium (as NH4) 0.3ppm max. - - -
peroxide (as H2O2) 5ppm max. 5ppm max. 5ppm max 0.5ppm max
Fluorescence test to pass test to pass test to pass test to pass test
Substances
reducing permanganate
to pass test - - to pass test
Gradient test to pass test - - to pass test
Assay (capillary GC) 99.8% min. 99.7% min. 99.7% min. -
pH (25°C) - - - 5.0~7.5
Total organic carbon (TOC) - - - 4ppb max.
Particles (0.5 μm and more) 100/ml max. 100/ml max. 100/ml max. 100/ml max.
Suitability for LC/MS analysis to pass test to pass test to pass test -

Data

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Reagents for LC/MS

Adjusted mixture solution of formic acid and acetonitrile for LC/MS use

Product content may differ from the actual image due to minor specification changes etc.

Author: Y. Higai

+49-2131-311-271

Reception hours: Mon-Fri 9:00 - 15:00 (CET)For other hours than the above, please contact us via the inquiry form.