STN ISO 5437
| Name: | STN ISO 5437 |
| Validity: | Withdrawn |
| Number of pages: | 4 |
| Language: |
CS
|
| Paper: | 2,80€ |
| Electronic version |
a) Only read (without ability to print and copy)
2,52€ b) Without ability to print, with ability to copy (printscreen) 2,80€ c) With ability to print and copy (printscreen) 3,64€ |
| Slovak title | Kazivec na výrobu kyseliny fluorovodíkovej a na keramické účely. Stanovenie síranu barnatého. Vážková metóda |
| English title | Acid-grade and ceramic-grade fluorspar. Determination of barium sulfate content. Gravimetric method |
| Release Date: | 01. 07. 1992 |
| Date of withdrawal: | 01. 08. 2022 |
| ICS: | 71.040.99, 73.080 |
| Sorting character/National clasification code | 72 1940 |
| Level of incorporation: | obs ISO 5437:1988 |
| Official Journal | 07/92 |
| Amendments | |
| Replaced by: | |
| Repleces: | |
| Note in Official Journal: | |
| Subject of the standard: | Tato mezinarodni norma urcuje vazkovou metodu pro stanoveni obsahu siranu barnateho v kazivci pro vyrobu kyseliny fluorovodikove a pro keramicke ucely. Metoda je vhodna pro kazivec s obsahem siranu barnateho rovnym nebo vetsim nez 0,1 perc. (m/m) |