Not official USP-NF text
ETHER
PF LGS# Brand Type of Test Additional Information
6(1) G22 None Cited Limit of . . . . . . . . . low-boiling hydrocarbons; 30%
6(1) S1C Chromosorb P-NAW Limit of . . . . . . . . . low-boil. hydroc.; 30--60 mesh; reprinted 6(2), 6(4); brand cited in Reagents section in 7(4)