Filtrar :
| Norma o proyecto | Etapa | TC |
|---|---|---|
|
Anhydrous ammonia for industrial use — Evaluation of residue on evaporation — Gravimetric method |
95.99 | ISO/TC 47 |
|
Liquefied anhydrous ammonia for industrial use — Sampling — Taking a laboratory sample |
90.93 | ISO/TC 47 |
|
Liquefied anhydrous ammonia for industrial use — Determination of water content — Gas chromatographic method |
95.99 | ISO/TC 47 |
|
Liquefied anhydrous ammonia for industrial use — Determination of water content — Karl Fischer method |
90.93 | ISO/TC 47 |
|
Liquefied anhydrous ammonia for industrial use — Determination of oil content — Gravimetric and infra-red spectrometric methods |
90.93 | ISO/TC 47 |
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