Not official USP-NF text
PENTOBARBITAL SODIUM
PF LGS# Brand Type of Test Additional Information
32(2) L1 Gemini C18 Assay 4.6 mm x 25 cm, 5 µm.
29(3) L1 ZORBAX Eclipse XDB-C18 Assay and Related Compounds 4.6 mm x 25 cm, 5 µm.
17(1) G27 None Cited Organic volatile impurities See Method I 467