Primary mixture

Gas component

Mass (g)

Filling pressure (bar)

PSM 1

CH₄

41.725

11

i-C₅H₁₂

n-C₅H₁₂

n-C₆H₁₄

PSM 2

CH₄

42.609

11

n-C₄H₁₀

i-C₄H₁₀

PSM 3

CH₄

36.386

9.2

C₂H₆

C₃H₈

PSM 4

N₂

16.292

2.2

PSM 5

CH₄

12.444

4.5

He

H₂

Pure Methane

CH₄

62.8

17