Table 2.
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Minimum impact velocities for measuring the composition of the tabulated species with impact ionization time-of-flight mass spectrometry (in positive ion mode). The Mg-peak can also appear even at lower speeds around 3 km s−1 but is then very small. The Si-peak can also appear at 7 to 10 km s−1, albeit also very small. The peaks of S and O2 are difficult to distinguish.

SpeciesVmin (km s−1)
H8–10
C10–12
O14–16
Na2–5
K2–5
Mg5–10
Al5–10
Si10–15
Ca5–10
Fe10–15
Rh8
S or O215–20
SpeciesVmin (km s−1)
H8–10
C10–12
O14–16
Na2–5
K2–5
Mg5–10
Al5–10
Si10–15
Ca5–10
Fe10–15
Rh8
S or O215–20
Table 2.
Open in new tab

Minimum impact velocities for measuring the composition of the tabulated species with impact ionization time-of-flight mass spectrometry (in positive ion mode). The Mg-peak can also appear even at lower speeds around 3 km s−1 but is then very small. The Si-peak can also appear at 7 to 10 km s−1, albeit also very small. The peaks of S and O2 are difficult to distinguish.

SpeciesVmin (km s−1)
H8–10
C10–12
O14–16
Na2–5
K2–5
Mg5–10
Al5–10
Si10–15
Ca5–10
Fe10–15
Rh8
S or O215–20
SpeciesVmin (km s−1)
H8–10
C10–12
O14–16
Na2–5
K2–5
Mg5–10
Al5–10
Si10–15
Ca5–10
Fe10–15
Rh8
S or O215–20
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