Not official USP-NF text
DOXEPIN HYDROCHLORIDE
PF LGS# Brand Type of Test Additional Information
8(4) G19 None Cited Assay 3%.
6(3) G7 None Cited Assay 3% loading
17(3) L7 LiChrosphere RP-Select B Assay 12.5-cm
8(4) S1A None Cited Assay NULL
6(3) S1A None Cited Assay 80--110 mesh, acid washed, silanized
16(3) G27 None Cited Organic volatile impurities See Method I 467
32(2) L1 Luna C18 Related compounds 4.6 mm x 25 cm, 5 µm.