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Volatile Organics by EPA 8260B on Rtx®-VMS
GC COLUMNS | APPLICATION-SPECIFIC COLUMNS
Environmental
Rtx®-VMS Columns (fused silica)
(proprietary Crossbond® phase)
• Application-specific columns for analyzing volatile organic pollutants by GC-MS
including Methods TO-15, TMS, and EPA 8260.
• Complete separation of U.S. EPA Method 8260 compounds in less than 10 minutes.
• Stable to 260 °C.
• No known equivalent phases.
Rtx®-VMS columns offer lower bleed, better selectivity, and overall faster analysis
for separating volatile organic compounds, such as those listed in U.S. EPA Method
8260B. The Rtx®-VMS stationary phase is a highly stable polymer that provides out-
standing analysis of volatile compounds, in combination with sensitive ion traps and
Agilent 5973 mass spectrometers. 0.18 and 0.25 mm ID columns allow sample splitting
at the injection port, eliminating the added expense and maintenance of a jet separator.
A 0.45 mm or 0.53 mm ID column can be directly connected to the purge-and-trap
transfer line in a system equipped with a jet separator.
Volatile Organics Analysis
GC_EV00428
Column Rtx®-VMS, 20 m, 0.18 mm ID, 1.00 µm (cat.# 49914)
Sample
Diluent: Water
Conc.: 10 ppb in 5 mL RO water (unless noted); ketones 2.5X
Injection Purge and trap split (split ratio 40:1)
Liner: 1 mm split (cat.# 20973)
Inj. Temp.: 220 °C
Purge and Trap
Instrument: Tekmar LCS 3100
Trap Type: Vocarb® 3000
Purge: 11 min @ ambient, flow 40 mL/min
Dry Purge: 1 min, flow 40 mL/min
Desorb Preheat
Temp.: 245 °C
Desorb: 2 min @ 250 °C, flow 40 mL/min
Bake: 8 min @ 260 °C
Interface
Connection: Injection port
Transfer Line
Tubing: Silcosteel® treated 0.53 mm ID tubing (cat.# 20595)
Transfer Line
Temp.: 120 °C
Oven
Oven Temp.: 50 °C (hold 4 min) to 100 °C at 18 °C/min (hold 0 min) to 230 °C at
40 °C/min (hold 3 min)
Carrier Gas He, constant flow
Flow Rate: 1.0 mL/min
Detector MS
Mode: Scan
Transfer Line
Temp.: 280 °C
Analyzer Type: Quadrupole
Tune Type: BFB
Ionization Mode: EI
Scan Range: 35-300 amu
Instrument HP6890 GC & 5973 MSD
Notes For proper flows, adjust retention time of dichlorodifluoromethane
to a retention time of 1.03 min @ 50 °C
¹A.L. Hilling and G. Smith, Environmental Testing & Analysis, 10(3), 15-19, 2001.
restek innovation!
• First choice for use with dual purge & traps1
• EPA recommended surrogate used.
For peak listing, visit
and enter GC_EV00428 in the search.
30-Meter 60-Meter 75-Meter
ID df temp. limits cat.# price cat.# price cat.# price
0.25 mm 1.40 µm -40 to 240/260 °C 19915 19916
0.32 mm 1.80 µm -40 to 240/260 °C 19919 19920
0.45 mm 2.55 µm -40 to 240/260 °C 19908 19909
0.53 mm 3.00 µm -40 to 240/260 °C 19985 19988 19974
20-Meter 40-Meter
ID df temp. limits cat.# price cat.# price
0.18 mm 1.00 µm -40 to 240/260 °C 49914 49915
Whole Air Canister Sampling
and Preconcentration
GC-MS Analysis
for pptv Levels of Trimethylsilanol
in Semiconduct
Cleanroom Air
lit. cat.#
EVAN1788-UNV
free literature
Download your free copies from
Analysis of Trace Oxygenates
in Petroleum-Contaminated
Wastewater, Using Purge-and-Trap
GC-MS (U.S. EPA Methods
5030B & 8260)
lit. cat.#
EVAN1449-UNV