"MT/T 278-1994 Method for the Determination of Harmful Gas Ammonia in Mine Air (Detection Tube Method) " stipulates a method for the determination of ammonia concentration in mine air using a specific length ammonia detection tube. This standard applies to the determination of ammonia concentration in mine air, expressed in ppm (V/V). The detection principle is to indicate the chemical substances in the powder through the adsorption of the carrier. When the ammonia-containing mine air passes through, the Color of the indicator powder will change, and the Ammonia concentration will be determined according to the length of the Color change.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | (Z11) 气体介质与放射性物质采样方法 | ICS | |
| Release Date | 1992-05-01 00:00:00 | Implementation Date | 1994-10-01 00:00:00 |
