STN ISO 5997
| Name: | STN ISO 5997 |
| Validity: | Valid |
| Number of pages: | 8 |
| Language: |
CS
|
| Paper: | 9,70€ |
| Electronic version |
a) Only read (without ability to print and copy)
8,73€ b) Without ability to print, with ability to copy (printscreen) 9,70€ c) With ability to print and copy (printscreen) 12,61€ |
| Slovak title | Chrómové rudy a koncentráty. Stanovenie kremíka spektrofotometrickou a vážkovou metódou |
| English title | Chromium ores and concentrates. Determination of silicon content. Molecular absorption spectrometric method and gravimetric method |
| Release Date: | 01. 02. 1993 |
| Date of withdrawal: | |
| ICS: | 73.060, 73.060.30 |
| Sorting character/National clasification code | 44 1580 |
| Level of incorporation: | obs ISO 5997:1984 |
| Official Journal | 14/92 |
| Amendments | |
| Replaced by: | |
| Repleces: | STN 44 1585:1990-07 |
| Note in Official Journal: | |
| Subject of the standard: | Tato mezinarodni norma urcuje nasledujici metody pro stanoveni obsahu kremiku v chromovych rudach a koncentratech: - metoda A: spektrofotometricka metoda pouzitelna pro rudy a koncentraty s obsahy kremiku od 0,05 procenta (m/m) do 0,5 procenta (m/m); - metoda B: vazkova metoda pouzitelna pro rudy a koncentraty s obsahy kremiku od 0,5 procenta (m/m) do 15 procent (m/m). |