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Volatile Organic Compounds (VOC) Analysis | Thermo Fisher

Within a sample vial the unoccupied area above the sample is commonly referred to as the head space. Using static headspace, sealed vials containing sample are gently heated to drive VOC compounds out of the sample matrix into equilibrium with the gas phase.

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Clear and amber borosilicate glass vials used in Volatile Organic Analysis (VOA Vials) come standard with white open-top caps with 0.125 septa. PTFE-lined, closed-top caps are also available. Vials are labeled with the part number, lot number and tare weight in print as well as barcode format.

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The volatile organic analysis (VOA) vials are made of borosilicate glass and prepared to meet or exceed EPA standards for volatile organic sampling. Clear or amber glass vials are available in three sizes of 20ml, 40ml, 60ml with standard 24-400 screw neck top.

Taking a VOC (Volatile Organic Chemical) Sample Properly

Taking a VOC (Volatile Organic Chemical) Sample Properly Make sure you keep all the vials together the whole time you are taking your The samples must be sent to the lab immediately. The sample will NOT be usable if there is an air bubble in the sample. You will have to resample. Step One Get a Sample Kit From Your Lab – One vial will be

Volatile Organic Compound (VOC's) Sample Collection

Vials should be treated as directed to be free of organic chemical contamination. 2. If samples contain residual chlorine and measurements of the concentrations of disinfection by-products (trihalomethanes etc.) are to be made, add approx. 25 mg of ascorbic acid to the bottle before filling.

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METHOD 3815 SCREENING SOLID SAMPLES FOR VOLATILE ORGANICS

disturbance that could cause loss of volatile constituents. Sample collection may be accomplished using a modified plastic syringe or commercially-available coring devices intended for this purpose. 2.2 The sample plug is immediately extruded into a glass vial containing organic-free reagent water.

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METHOD 5021A VOLATILE ORGANIC COMPOUNDS IN VARIOUS SAMPLE

1.1 This method describes equilibrium-based static headspace preparation of volatile organic compounds (VOCs) in soil/sediment, solid waste, aqueous and water-miscible liquid samples for determination by gas chromatography (GC) or gas chromatography/mass spectrometry (GC/MS). This method is applicable to a wide range of organic compounds that