G005524

US EPA Method 524.2: GC Analysis of Volatiles on SPB-624 after Purge & Trap using "K" Trap

suitable for GC

Properties

• technique(s): gas chromatography (GC): suitable
• test parameters: sample/matrix: each analyte at 10 ppb in 25 mL water; purge trap: VOCARB 3000 "K" (24940-U); dry purge: 2 min; desorption preheat: 205 °C; desorption process: 40 mL/min at 210 °C for 2 min; bake: 260 °C for 10 min; transfer line/valve temp.: 110 °C; sample preparation: purge is 40 mL/min at 25 °C for 11 min; column: SPB-624, 30 m x 0.25 mm I.D., 1.4 μm (24255); oven: 40 °C (2 min), 7 °C/min to 135 °C, 30 °C/min to 230 °C (3 min); carrier gas: helium, 1.2 mL/min; injection: 30:1 split; liner: 0.75 mm I.D. SPME
• application(s): environmental; food and beverages

Description

Analysis Note

Method 524.2 describes the analysis of volatile organic compounds in surface, ground, and drinking water. This application illustrates the analysis of the compounds listed in this method on a 30m x 0.25 mm I.D., 1.4 μm SPB-624 column using purge and trap / GC-MS.

Analyte

m-Xylene
p-Xylene