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|Column||Rxi-5Sil MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623)|
|Inj. Vol.:||1 µL splitless (hold 1 min)|
|Liner:||Single taper w/wool (cat.# 22286-200.1)|
|Inj. Temp.:||250 °C|
|Purge Flow:||20 mL/min|
|Oven Temp.:||100 °C to 200 °C at 30 °C/min to 300 °C at 15 °C/min|
|Carrier Gas||He, constant linear velocity|
|Linear Velocity:||40 cm/sec, 12.5 psi, 86.2 kPa @ 100 °C|
|Transfer Line Temp.:||310 °C|
|Source Temp.:||250 °C|
|Solvent Delay Time:||4 min|
|Instrument||Shimadzu 2010 GC & QP2010+ MS|
|Sample Preparation||Standards brought to dryness under nitrogen, then 50 µL BSTFA + 1% TMCS (cat.# 35606) were added. 50 µL pyridine was then added, and samples were incubated at 70 °C for 30 min. After incubation, samples were diluted with butyl chloride.|