Method Nitrogen volume

[suicideprepper]

I've been looking at the prices of nitrogen. For example, one of the cylinders I found said:
"Capacity: 1m3 / 7 litres"
1m3, to my knowledge, is 1000 litres, not 7. And this seems to be a constant. They'll give you a value in cubic meters and then a much lowers one in litres.
Additionally, in the Megathread, it is said that I'd need 600L of Nitrogen in order to reliably die from the exit bag method. However, none of the pictures posted here look like 600L of Nitrogen can be stored in the cylinders people have bought. The volume is always clearly much lower.
So, what gives?
Moreover, 600L of Nitrogen is equivalent to 187kg. How is one even supposed to transport that?

 

[cato75]

The lower one will be volume of condensed gas, or the volume of the cylinder, the larger would be the volume of the gas at 1 bar at sea level. But don't take my word for it.

 

[Romanticize]

yes 1m^3 is 1000L but that's uncompressed. A typical 7L cylinder can hold even 1400L of nitrogen (if it's at 200bar pressure, 7*200=1400).
To successfully do the procedure, you need at least 20minutes of steady gas flow, with 15Lpm (liters per minute), which translates to 20*15 = 300L.
Add some liters on top, to test the valve, set everything up etc.

Also, 600L of nitrogen is only 0,7kg, not 187kg. You confused nitrogen gas (density ~1,25kg/m^3) with liquid nitrogen (density ~808kg/m^3)

 

[suicideprepper]

The lower one will be volume of condensed gas, or the volume of the cylinder, the larger would be the volume of the gas at 1 bar at sea level. But don't take my word for it.

yes 1m^3 is 1000L but that's uncompressed. A typical 7L cylinder can hold even 1400L of nitrogen (if it's at 200bar pressure, 7*200=1400).
To successfully do the procedure, you need at least 20minutes of steady gas flow, with 15Lpm (liters per minute), which translates to 20*15 = 300L.
Add some liters on top, to test the valve, set everything up etc.

Also, 600L of nitrogen is only 0,7kg, not 187kg. You confused nitrogen gas (density ~1,25kg/m^3) with liquid nitrogen (density ~808kg/m^3)

Thank you so much!