STN EN ISO 23157
| Name: | STN EN ISO 23157 |
| Validity: | Valid |
| Number of pages: | 24 |
| Language: |
EN
|
| Paper: | 14,10€ |
| Electronic version |
a) Only read (without ability to print and copy)
12,69€ b) Without ability to print, with ability to copy (printscreen) 14,10€ c) With ability to print and copy (printscreen) 18,33€ |
| Slovak title | Stanovenie obsahu silanolových skupín na povrchu pyrogénneho oxidu kremičitého. Metóda reakčnej plynovej chromatografie (ISO 23157: 2021) |
| English title | Determination of the silanol group content on the surface of fumed silica - Reaction gas chromatographic method (ISO 23157:2021) |
| Release Date: | 01. 01. 2023 |
| Date of withdrawal: | |
| ICS: | 87.060.10 |
| Sorting character/National clasification code | 67 0590 |
| Level of incorporation: | idt ISO 23157:2021, idt EN ISO 23157:2022 |
| Official Journal | 12/22 |
| Amendments | |
| Replaced by: | |
| Repleces: | |
| Note in Official Journal: | |
| Subject of the standard: | This document specifies a method for the determination of the silanol group content on the surface of fumed silica by reaction gas chromatographic method. |
| Preview: | Náhľad normy (PDF) |