Disposal
12
Inorganicacidsandanhydridesthereofshouldfirstbedilutedorhydrolyzedbystirringcarefullyintoicewaterandthenneutralized(protectivegloves,fumecupboard!)withsodiumhydroxidesolution(Cat.No.105587).BeforefillingintocontainerD,checkthepHwithpHuniversalindicatorstrips(Cat.No.109535).Fumingsulfuricacidshouldbecarefullystirreddropwiseinto40%sulfuricacid(Cat.No.109286).Ensurethatplentyoficeisavailableforcooling!Whensufficientlycool,treatthehighlyconcentratedsulfuricacidasdescribedabove.Analogoustothisprocedure,otheranhydridescanbeconvertedintotheircorrespondingacids.Acidgases(e.g.hydrogenhalide,chlorine,phosgene,sulfurdioxide)canbeintroducedintodilutesodiumhydroxidesolutionandafterneutralizationdisposedofincontainerD.
Declaration(transportbysea)IMDG-Code
UN1789,8,II,SegregationGroup:1(Acids)