Specifications | |
---|---|
Purity (GC) | ≥ 99.3 % |
Evaporation residue | ≤ 0.0002 % |
Water | ≤ 0.005 % |
Colour | ≤ 10 Hazen |
Acidity | ≤ 0.0001 meq/g |
Alkalinity | ≤ 0.0002 meq/g |
Fluorescence (as quinine at 254 nm) | ≤ 1.0 ppb |
Fluorescence (as quinine at 365 nm) | ≤ 1.0 ppb |
Transmission (at 200 nm) | ≥ 20 % |
Transmission (at 210 nm) | ≥ 55 % |
Transmission (at 220 nm) | ≥ 80 % |
Transmission (at 228 nm) | ≥ 90 % |
Transmission (from 245 nm) | ≥ 98 % |
Absorbance (at 200 nm) | ≤ 0.70 |
Absorbance (at 210 nm) | ≤ 0.26 |
Absorbance (at 220 nm) | ≤ 0.10 |
Absorbance (at 228 nm) | ≤ 0.05 |
Absorbance (from 245 nm) | ≤ 0.01 |