Create two columns from one column breaking out numbers from text

Hi CharlotteCity12 

How about adding columns instead?

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WMtQzsFCK1YlWMtCzhNJmYNrRD0yZQjhuSrGxAA==", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [#"Concentration/Null Code" = _t]),
    #"Added Custom" = Table.AddColumn(Source, "Concentration", each try Number.From([#"Concentration/Null Code"]) otherwise null),
    #"Added Custom1" = Table.AddColumn(#"Added Custom", "Null Code", each if [Concentration] = null then [#"Concentration/Null Code"] else null)
in
    #"Added Custom1"

Thank you Anonymous This worked perfectly.