2-Propanol, 2.5 L, glass bottle, hypergrade für LC-MS LiChrosolv®

Purity (GC): ≥ 99,9 %

Identity (IR): corresponds to

Evaporation residue: ≤ 2.0 mg/l

Color: ≤ 10 Hazen

Water: ≤ 0.05 %

Acidity: ≤ 0.0002 meq/g

Alkalinity: ≤ 0.0002 meq/g

Gradient grade (at 235 nm): ≤ 1.0 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

Transmittance (check after rinsing with N₂ (at 220 nm)): ≥ 80 %

Transmittance (check after rinsing with N₂ (at 230 nm)): ≥ 90 %

Transmittance (check after rinsing with N₂ (from 250 nm)): ≥ 99 %

Al (aluminum): ≤ 10 ppb

Ca (calcium): ≤ 10 ppb

Fe (iron): ≤ 10 ppb

K (potassium): ≤ 5 ppb

Mg (magnesium): ≤ 10 ppb

Na (sodium): ≤ 150 ppb

Each additional metal (ICP-MS): ≤ 5 ppb

Suitable for LC-MS; intensity of the background mass peak related to reserpine (APCI/ESI positive): ≤ 10 ppb

Suitable for LC-MS; intensity of the background mass peak related to reserpine (APCI/ESI negative): ≤ 20 ppb

Filtered with 0.2 µm filter.