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| Determination of sulphuric acid mist in tail gas in sulphuric acid concentration process-Barium chromate colorimetric method
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| GB 4920-85 ¡¡ ¡¡Putting into effect as of Aug. 1, 1985 ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
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| Abstract: |
| The standard applies to analysis of sulphuric acid mist in tail gas in sulphuric acid concentration process of powder and explosive plants. The test scope is 100~30000mg/m3. |
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