J.T. Baker® Water, BAKER ANALYZED® for LC-MS

For use in liquid chromatography and mass spectrometry. Synonyms: Dihydrogen oxide

• Formula: H₂O  
• MW: 18.02 g/mol
• Boiling Pt: 100 °C (1013 hPa)
• Melting Pt: 0 °C
• Density: 1 g/cm³ (4 °C)

Specification Test Results

Appearance: Passes Test

Gradient Elution Test (a.u.) - 254 nm: ≤0.002

Fluorescence Trace Impurities, measured as Quinine Base - at 450 nm Emission: ≤0.1 ppb

Fluorescence Trace Impurities, measured as Quinine Base - at Emission Maximum for Impurities: ≤0.2 ppb

Color (APHA) : ≤10

Residue after Evaporation: ≤1.0 ppm

LC/MS Suitability - Largest Response on ESI- Positive Mode (as Reserpine): ≤50 ppb

Trace Impurities - Aluminum (Al): ≤50.0 ppb

Trace Impurities - * Calcium (Ca): ≤50.0 ppb

Trace Impurities - Iron (Fe): ≤50.0 ppb

Trace Impurities - Lithium (Li): ≤30.0 ppb

Trace Impurities - Magnesium (Mg): ≤50.0 ppb

Trace Impurities - Nickel (Ni): ≤30.0 ppb

Trace Impurities - Potassium (K): ≤50 ppb

Trace Impurities - * Sodium (Na): ≤50.0 ppb

* May change over time due to extraction from glass container.

Filtered through a 0.2 micron filter.