TETRACLOROETILENO UVASOL SOL. P/ ESPECTROSCOPIA MERCK (FRASCO 2,5 L)

Tetracloroetileno p/ Espectroscopia, Frasco 2,5L, Uvasol®. CAS 127-18-4, EC Number 204-825-9, chemical formula Cl₂CCCl₂. Especificações Purity (GC) ≥ 99.9 % Evaporation residue ≤ 0.0005 % Water ≤ 0.01 % Color ≤ 10 Hazen Acidity ≤ 0.0005 meq/g Alkalinity ≤ 0.0005 meq/g Hydrocarbons (related to squalane/squalene (3050-2900 cm⁻¹)) ≤ 20 ppm Fluorescence (as quinine at 365 nm) ≤ 1.0 ppb Transmission (at 290 nm) ≥ 20 % Transmission (at 295 nm) ≥ 65 % Transmission (at 300 nm) ≥ 80 % Transmission (from 305 nm) ≥ 85 % Absorbance (at 290 nm) ≤ 0.70 Absorbance (at 295 nm) ≤ 0.19 Absorbance (at 300 nm) ≤ 0.10 Absorbance (from 305 nm) ≤ 0.07