ISO 7104:1985
$12.35
Liquefied anhydrous ammonia for industrial use — Determination of water content — Gas chromatographic method
| Published By | Publication Date | Number of Pages |
| ISO | 1985-08 | 6 |
The water present in a sample is tranformed into acetylene by reaction with calcium carbide. The acetylene formed is determined by gas chromatography using an external standard consisting of a standard gas mixture with an inert gas, containing a known amount of acetylene. The method is applicable to products having water contents between 5 mg/kg and 3000 mg/kg.
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