SJ 3228.4-1989
Determination of silicon oxide in high purity arenaceous quartz (English Version)
- Standard No.
- SJ 3228.4-1989
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- Professional Standard - Electron
- Status
- 2016-06
- Replace By
- SJ/T 3328.4-2016
- Latest
- SJ/T 3328.4-2016
- Scope
- This standard applies to various grades of high-purity quartz sand.
SJ 3228.4-1989 history
- 2016 SJ/T 3328.4-2016 High purity quartz sand for electronic products Part 4 Determination of silica
- 1989 SJ 3228.4-1989 Determination of silicon oxide in high purity arenaceous quartz
SJ 3228.4-1989 Determination of silicon oxide in high purity arenaceous quartz was changed to SJ/T 3328.4-2016 High purity quartz sand for electronic products Part 4 Determination of silica.
