Not official USP-NF text
BETADEX SULFOBUTYL ETHER SODIUM
PF LGS# Brand Type of Test Additional Information
36(2) L37 PolySep-GFC-P3000 Assay 7.8 mm x 30 cm.
36(2) L61 Ion Pac AS-11 Limit of . . . . . . . . . Limit of Beta Cyclodextrin (Betadex), 4-hydroxybutane-1-sulfonic acid, Bis(4-Sulfobutyl) ether disodium. Analytical column: 4.0 mm x 25 cm. Guard column IonPac AG11.
37(2) L61 Ion Pac AS-11 Limit of . . . . . . . . . LIMIT OF SODIUM CHLORIDE, 4-HYDROXYBUTANE-1-SULFONIC ACID, AND BIS(4-SULFOBUTYL) ETHER DISODIUM. 4mm x 25cm.
36(2) L50 OmniPac PAX-100 Limit of . . . . . . . . . Limit of Sodium Chloride. 4.0 mm x 25 cm.
36(2) G46 BP10 Limit of . . . . . . . . . Limit of 1,4-butane sulfone. 0.32 mm x 25 m, 0.5 µm.