Sampler for powdered material /

An automatic mechanism has been developed that obtains a representative sample of free-flowing powdered material dropping down a vertical pipe. This device embodies the principle of an oscillating slotted "shutter" which momentarily admits a small increment of process material to a collecting vessel."Chemistry - General (TID-4500, 13th Ed.).""Printed for the United States Atomic Energy Commission Contract AT(07-2)-1.""August 1957.""DP-231."An automatic mechanism has been developed that obtains a representative sample of free-flowing powdered material dropping down a vertical pipe. This device embodies the principle of an oscillating slotted "shutter" which momentarily admits a small increment of process material to a collecting vessel.Mode of access: Internet