Not official USP-NF text
SULFACHLORPYRIDAZINE
PF LGS# Brand Type of Test Additional Information
22(1) L1 Partisil ODS Assay 4.6-mm x 5-cm, 5-µm; Guard column
22(1) L1 Maxsil C18 Assay 5-µm
22(1) L1 Maxsil C18 Identity See Assay
22(1) L1 Partisil ODS Identity See Assay