| ISO 4311 First edition 1979-06-01 Anionic and non-ionic surface active agents - Determination of critical micellization concentration - Method by measuring surface tension with a plate, stirrup, or ring |
| Recognition Date | 2015-08-14 |
| Recognition List | 040 |
| Recognition Number | 10-99 |
| Extent | Complete standard |
| Standards Orgs | ISO International Organization for Standardization https://www.iso.org/ |
| STG | Ophthalmic |
| FDA Tech | Joseph C. Hutter FDA/OMPT/CDRH/ODE/DOED/ICIB/ 301-796-6499 joseph.hutter@fda.hhs.gov |
This standard is relevant to medical devices and is recognized on its scientific and technical merit and/or because it supports existing regulatory policies.
This International Standard specifies a method for the determination of the critical micellization concentration of anionic and non-ionic surface active agents in solution in distilled water or other aqueous systems, by measurement of the surface tension with a plate, stirrup or ring.
| Regulation Number | Device Name | Device Class | Product Code |
| §886.5928 | Accessories, Soft Lens Products | Class 2 | LPN |
| §886.5918 | Products, Contact Lens Care, Rigid Gas Permeable | Class 2 | MRC |
| There is no relevant guidance developed at this time. |