SKC 249-01 Operating Instructions

Breath-gas analysis bags

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SKC Breath-gas Analysis Bags are ideal for collecting and storing human breath
samples. The samples are subsequently analyzed for volatile organic compounds
(VOCs) or volatile sulfur compounds (VSCs). Breath-gas Analysis Bags are
constructed of FlexFoil
breath-gas fitting with plastic mouthpiece allows easy sample collection and
facilitates sample removal by gas-tight syringe for gas chromatography (GC)
analysis.

Guidelines for Bag Sampling

Wear gloves when handling the bag and fi ttings (photos are shown without gloves for clarity).
1.
Long-term storage of samples in bags is not recommended.
2.
SKC sample bags are designed for sampling air at atmospheric pressure only.
Att empting to pressurize the bag can result in bag rupture and sample loss.
Do not ship bag samples by air freight in a non-pressurized cargo cabin. Bags
can burst under such conditions.
3.
All federal and state packaging and transporting regulations apply.
4.
Failure to follow warnings and cautions voids any warranty.
5.
Do not reuse sample bags.
6.
Due to the physical properties of the FlexFoil bag material, minor crimps
and creases may appear on bags during manufacturing, quality testing, and
user handling. These marks only aff ect the aesthetics of the bag and not its
performance. FlexFoil bags exhibiting minor crimps and creases are not subject
to replacement or refund as functionality is not aff ected.
7.
Do not use sample bags to sample compounds with boiling points > 249.9 F
(121 C).
8.
SKC bag fi tt ing valves are extremely durable but are not intended for use as
handles or hanging devices. This type of handling may damage the seal, causing
leakage. This is considered to be misuse and will void the SKC warranty.
Breath-gas Analysis Bags
Cat. Nos. 249-01 and 269-01
®
PLUS or Tedlar
Operating Instructions
863 Valley View Road, Eighty Four, PA 15330 USA
Tel: 724-941-9701 E-mail: skctech@skcinc.com
®
material. The special stainless steel
www.skcinc.com

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Summary of Contents for SKC 249-01

  • Page 1 Do not use sample bags to sample compounds with boiling points > 249.9 F (121 C). SKC bag fi tt ing valves are extremely durable but are not intended for use as handles or hanging devices. This type of handling may damage the seal, causing...
  • Page 2 Preparing the Fitting Remove the clean, single-use plastic mouthpiece from packaging. Att ach the plastic mouthpiece to the stainless steel breath-gas fi tt ing on the bag by gently pushing the narrow end of the mouthpiece down onto the fi tt ing until snug. Sampling Open the fi...
  • Page 3 Shipping If sending the bag(s) containing the breath-gas sample(s) to a laboratory for analysis, place bag(s) in the original packaging and ship. Removing the Sample from the Bag The outside diameter of the syringe needle should not be larger than 12 gauge (0.109 inch). Do not allow the syringe needle to puncture the bag material when piercing the septum.
  • Page 4 SKC sample bags for other applications are available in Tedlar, Standard FlexFoil, and FlexFoil PLUS material with fi ttings made of stainless steel, polypropylene, or PTFE in sizes up to 100 liters. SKC also manufactures custom sample bags. Contact SKC at 724-941-9701 or skcorder@skcinc.com.

This manual is also suitable for:

269-01

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