Not official USP-NF text
UREA CREAM
PF LGS# Brand Type of Test Additional Information
12(1) L8 Spherisorb NH2 Assay { Alternative reagent
16(6) L2 Sep-Pak C18 Assay 5-mm x 2.5-cm sample preparation cartridge
16(6) L1 MicroBondapak C18 Assay analytical column
12(1) L8 RSiL NH2 Assay { Alternative reagent
12(1) L8 Econosphere Amino Assay { Alternative reagent
12(1) L8 Bond-Elute NH2 Assay 1-cm x 7.5-cm, 40-µm sample preparation cartridge; reprinted 12(5)
12(1) L8 LiChrosorb NH2 Assay Analytical column; reprinted 12(5)