Page 191 - Shimadu Consumables Catalog

Capillary Columns
PLOT Columns

SH-Msieve 5A
Stationary phase: Molecular sieve 5A

Easily separate permanent gases at temperatures above ambient.
Improve accuracy with sharp, symmetrical peaks for argon, oxygen, and carbon monoxide.
Similar phases: HP-PLOT Molesieve, CP-Molsieve 5A, Molsieve 5A PLOT

ID df Temp. Range 30 m
0.32 mm 30 µm to 300 °C 227-36611-02
0.53 mm 50 µm to 300 °C 221-75763-30

Analysis of Inorganic Gas

Ar m/z 40 O 2 m/z 32 N 2 m/z 28

CH 4 m/z 16 CO m/z 28
Peaks
1. Ar 5.65 ppm
5.44 ppm
2. CO
5.54 ppm
3. O 2
5.40 ppm
4. N 2
5.71 ppm
5. CH 4

Conditions
Instrument : GCMS-QP2010 Ultra
Column : SH-Msieve 5A, 30 m, 0.32 mm ID,
30 μm (P/N: 227-36611-02)
Sample injection : Gas sampler (1 mL loop volume)
(P/N: 223-57653-91)
Ar
Inj. Mode : Split (split ratio: 50:1)
Inj. Temp : 200 °C
O 2 N 2 CH 4
Control Mode : Pressure (100 kPa)
Carrier Gas : Helium
Oven Temp : 35 °C (hold 2 min) to 150°C at 10°C/min
CO (hold 5 min)
Detector : MS
Interface Temp: 200 °C
Ion Source Temp: 200 °C
Measurement Mode: Scan (m/z 10 to100)
Event Time: 0.5 sec
Ionization Method: EI
Emission Current:150 μA

Pg C-41