Guarantee analysis
Assay (by GC) ≥99.9 %
Identification Passes test
Density at 20/4 0.791～0.792
Colour（APHA） ≤5APHA
Water (KF) ≤ 0.05%
Acidity ≤ 0.0002 meq/g
Alkalinity ≤ 0.0002 meq/g
Non-volatile matter ≤ 0.0001 %
Al ≤ 0.1 mg/L Ca≤ 0.05mg/L
Fe ≤ 0.05mg/L K≤ 0.05mg/L
Mg≤0.05mg/L Na≤0.05mg/L
Pb≤0.05mg/L
Gradient grade ( at 235nm) ≤ 3.0mAU
Gradient grade ( at 254nm ) ≤1.0mAU
Fluorecence（as quinine at 254nm） ≤ 1.0 ng/mL
Fluorecence（as quinine at 365nm） ≤ 0.5 ng/mL
Transmission ( at 210nm ) ≥40 %
Transmission ( at 220nm ) ≥ 60 %
Transmission ( at 235nm ) ≥ 85 %
Transmission ( at 260 nm ) ≥ 98 %
Suitability for UPLC/LC-MS analysis ESI +(as Reserpine) ≤50ppb
Microfiltered product(0.2um)and bottled under nitrogen atmosphere