Rtx-VRX 氣相色譜柱

更新時間：2023-06-15

簡要描述：

Rtx-VRX 氣相色譜柱揮發性有機污染物分析柱。對U.S.EPA方法中8021中成分進行分離，表現。類似固定相：DB-VRX

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Rtx-VRX 氣相色譜柱簡介：

(Crossbond技術鍵合固定相)
揮發性有機污染物分析柱。
對U.S.EPA方法中8021中成分進行分離，表現。
溫度穩定至 260 °C。
Rtx-VRX固定相和*管柱尺寸對分析揮發性化合物時保證低流失、良好的分離度和快速分析。

類似固定相：DB-VRX

訂貨信息：

Volatile Organics by EPA 8021 on Rtx-VRX

GC_EV00001

Column	Rtx®-VRX, 75 m, 0.45 mm ID, 2.55 µm (cat.# 19309)
Sample	502.2 CAL2000 MegaMix Mixture (cat.# 30431)
	502.2 Calibration Mix #1A (cat.# 30439)
	4-bromochlorobenzene (cat.# 30230)
	2-chloroethyl vinyl ether (cat.# 30265)
	1,4-dichlorobutane (cat.# 30227)
	fluorobenzene (cat.# 30030)
	methyl tert-butyl ether (MTBE) (cat.# 30402)
	Freon® 113 (custom)
Conc.:	20 ppb in 5 mL of RO water
Injection	purge and trap splitless
Purge and Trap
Instrument:	Tekmar LSC-3000 Purge and Trap
Trap Type:	Vocarb 3000
Purge:	11 min, flow 40 mL/min
Dry Purge:	1 min, flow 40 mL/min
Desorb Preheat Temp.:	245 °C
Desorb:	2 min @ 250 °C
Bake:	8 min @ 260 °C
Interface Connection:	direct
Transfer Line Tubing:	0.32mm ID Siltek® Guard Column (cat.# 10027)
Oven
Oven Temp.:	35 °C (hold 12 min) to 60 °C at 5 °C/min (hold 1 min) to 220 °C at 17 °C/min (hold 3 min)
Carrier Gas	He, constant flow
Flow Rate:	9 mL/min
Detector	μGold Tandem PID/HALL 2000
Notes	Dry purge: 1 min. @ 40mL/min. (MCS bypassed with Silcosteel® tubing). PID: makeup 7mL/min., purge 7mL/min., set @ 0.35mV base temp. 200°C. ELCD Hall 2000: RxnGas 25mL/min.,RxnTemp.: 940°C, propanol flow 470μL/min.
Acknowledgement	Finnigan 9001 GC, μGold Tandem Photoionization/HALL® 2000 Electrolytic Conductivity Detector provided courtesy of Thermo Finnigan GC & GC/MS Division, 2215 Grand Avenue Pkwy, Austin, Texas 78728

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