Not official USP-NF text
BENZALKONIUM CHLORIDE
PF LGS# Brand Type of Test Additional Information
34(6) L1 Nucleosil 100 C18 Limit of . . . . . . . . . Limit of benzyl alcohol, benzaldehyde, and (chloromethyl)benzene. 4.6 mm x 15 cm, 5 µm.
12(3) L10 MicroBondapak CN Ratio of . . . . . . . . . Ratio of alkyl components.
35(6) L10 Nucleosil CN Ratio of . . . . . . . . . Ratio of alkyl components. 4.6 mm x 25 cm, 10 µm.