(Liquefied petroleum gases for domestic utility)
TDS (State Turkmenistan Standard Service) – 20448-90 Type - SPBT
Parameter description |
SPBT |
1. Mass concentration of components, % Total contents of Methane, Ethane and Ethylene |
Unnormalized measure |
Total contents of Propane and Propylene, not less than |
Unnormalized measure |
Total contents of Butane and Butylene, not less than, not more than |
------ 60 |
2. Liquid volume concentration of residue 200 C, % not more than |
1.6 |
3. Gauge pressure of saturated vapour, MPa within plus 450C not more than within minus 200C not more than |
1.6 ------ |
4. Mass concentration of Hydrogen Sulphide H2S and Mercaptan Sulphur, % not more than |
0.013 |
Including Hydrogen Sulphide, not more than |
0.003 |
5. Contents of free water and alkaline |
Absent |
6. Odor intensity in point, not less than |
3 |