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

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

Materialien

Analytische Säule

Produkt-Nr.
Beschreibung
Preisangaben

SPB®-624 Kapillar-GC-Säule

L × I.D. 30 m × 0.25 mm, df 1.40 μm

Standard

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EPA 524.2 Rev 4 Update-Mischung

2000 μg/mL in methanol, analytical standard

EPA 524 interne Standardmischung

certified reference material, 2000 μg/mL each component in methanol

EPA 524.2 Rev 4 Update-Ketonmischung

certified reference material, 2000 μg/mL in methanol: water (9:1)

EPA 502/524 Flüchtige organische Kalibriermischung A (ohne Gase)

certified reference material, 200 μg/mL each component in methanol, ampule of 1 mL

Volatile Organic Compounds Mix 6

certified reference material, 2000 μg/mL each component in methanol

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Purge/Trap K Vocarb® 3000

for use with OI Analytical Eclipse 4660, 4560

CONDITIONS

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

Beschreibung

Hinweis zur Analyse

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.