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Pack of 10 replacement diffusion caps for SKC Method 325 Benzene monitoring tubes (p/n 226-525).
Replacement caps for 226-520 tubes for Benzene monitoring with EPA Method 325. Pk/10
Features:
- Benzene uptake rate of 0.67 ml/min
- Use to determine average benzene concentration in the range of 0.5 to 500 µg/m3 over a two-week periods
- Analyze by GC-FID or GC-MS as specified in EPA 325B
- Reusable
Meets specifications of U.S. EPA 325:
- 3.5 x 0.25-inch OD (Sized for Perkin Elmer and Markes International Thermal Desorbers) stainless steel tube deactivated with SilcoNert 2000
- Pre-conditioned Carbopack X or Anasorb GCB1 sorbent held between two 100-mesh stainless steel screens
- Brass Swagelok screw caps with PTFE ferrules
- Diffusion cap
- Unique identification number and bar code
- Sampling arrow indicator
Weatherproof tube shelter available:
- Establish baseline/manage exceedances for benzene and other HAPs and VOCs. See Technical Note: Sampling Rates for Benzene and Other VOCs Using the SKC Passive TD Tube(PDF)
- Establish baseline/manage exceedances for benzene
- Ideal for establishing average airborne concentrations of additional VOCs of concern
Specifications:
- Sorbent: Carbopack X, Anasorb GCB1 (see Reference)
- Tube Material: Stainless steel coated with SilcoNert 2000, sealed with brass Swagelok screw caps fitted with PTFE ferrules
- Uptake Rate: Benzene 0.67 ml/min
- Dimensions: 3.5 x 0.25-inch OD (Sized for Perkin Elmer and Markes International Thermal Desorbers)
- Analysis: GC-FID or GC-MS (EPA 325B)
PN | 226-525 |
---|---|
Manufacturer | SKC |
Unit of Measure | PK |