We supply refined glycerine 99.5% min. Usp with the following specs:Glycerine content:99.5% minSpecific gravity:1.2607 min.Colour ( alpha ):10 max.Fatty acids & ester:1.0 ml max.Chlorides:10 ppm maxSulphates:20 ppm maxChlorinated compound:30 ppm maxMoisture:0.5% maxAsh:0.01% maxHeavy metals:5.0 ppm max