Name: L-Cystine
Standard: AJI92 USP24
Properties: White crystal or crystalline powder, odorless, flavorless, almost insoluble in water or ethanol, soluble in diluted.... See more>>
Graphite electrode
Graphite electrode adopts high quality petroleum coke, through mix forming, roasting and over 2500℃ high temperature graphitized, order to.... See more>>