Not official USP-NF text
ETHER
PF LGS# Brand Type of Test Additional Information
6(1) S1C Chromosorb P-NAW Limit of . . . . . . . . . Limit of low-boil. hydroc.; 30--60 mesh.
6(1) G22 None Cited Limit of . . . . . . . . . Limit of low-boiling hydrocarbons; 30%.