Guarantee analysis
Specifications GUARANTEE VALUE
Assay (by GC) Min 99.8%
Non-volatile matter Max 0.0005%
Water (KF) Max 0.05%
Colour Max 10APHA
Acidity Max 0.001meq/g
Density at 20/4 0.890～0.903
Transmission ( at 255 nm ) Min 10%
Transmission ( at 260 nm ) Min 50%
Transmission ( at 263 nm ) Min 80%
Transmission ( at 265 nm ) Min 90%
Transmission ( 300-400nm ) Min 98%
Substances Darkened by H2SO4 passes test
Identity(IR) passes test