This 125mL Pyrex® arsine generator is designed for arsenic determination by the silver diethyldithiocarbamate photometric method. It meets A.P.H.A. Standard 104A, ACS/USP and EPA specifications. The 125mL flask has a 24/40 inner ST joint, and the ball and socket joint between the absorber and scrubber is a 12/2 SJ joint. Complete unit includes a polyacetyl clamp. For a replacement flask, see Cat.No. 1-5000-125; for a replacement polyacetyl clamp, see Cat.No. 1-7721-13.