英语翻译Thedistillationequipmentisevacuated,thenfilledwithnitrogen.Thenthecrudep-Fluorobenzylamineisfilledin.AfterdistillationtheequipmentvacuumisbrokenwithnitrogenwhichisfreeofoxygenorwithArgon.Thedrumsmusthaveclos
英语翻译
Thedistillationequipmentisevacuated,thenfilledwithnitrogen.Thenthe
crudep-Fluorobenzylamineisfilledin.Afterdistillationtheequipment
vacuumisbrokenwithnitrogenwhichisfreeofoxygenorwithArgon.
Thedrumsmusthaveclosuresystemswhicharegastight.
Thefactoryshouldconstructacylinderwhichhasarubbergasketatoneend
withadiameterbiggerthenthenozzleofthedrum.Ontheothersideithas
astuffingboxwithadrumkeywhichholdsthestopper.Likeascrewdriver
goingthroughastuffingbox.ThiscylinderhasasmallvalveforArgon.
TheemptydrumsarefilledwithArgon.Thenthepurep-Fluorobenzylamineis
filledin.Whendrumisfull,thecylinderispressedoverthenozzleand
slightoverpressureofArgonisapplied.Thenthedrumkeywhichholdsthe
stopperispusheddownandthestopperisscrewedintothenozzle.Thedrum
shouldnowholdaslightoverpressureofArgon.