| Not official USP-NF text | Column Equivalency Information | |
| PACKING | Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the hydrogen form, 7 - 11 µm in diameter | |
| L17 | BRAND NAME | MANUFACTURER |
| Aminex Fast Acid Analysis | BIO-RAD Laboratories | |
| Aminex HPX-87H | BIO-RAD Laboratories | |
| IC Wescan Anion | Grace - Alltech | |
| IC-Pak Cation | Waters Corp | |
| Jordi Gel DVB Sulfonated SCX Resin | Jordi FLP | |
| ORH-801 Organic Acids | Interaction Chemical Inc. | |
| Polypore H | PerkinElmer, Inc. | |
| TSK-GEL Aminopak | TosoHaas Inc. | |