产品特点：
Gas standards for external method calibration
Markes International also offers two high-quality gas standards suitable for a variety of canister- and tube-based environmental air monitoring methods.
The standards are contained in aluminium cylinders (8.3 cm × 29.5 cm) and are PI-marked for compliance with EU transport regulations and US DOT specification 3AL2216.
Ozone precursor/PAMS 57-component mix – EPA concentrations 20–60 ppbC1,3
Supplied in nitrogen at 1800 psig. Injecting 1 mL of this mix onto a TD cold trap introduces approximately 0.1 ng of the components below (individual concentrations in ppbC3 are given in parentheses).
| Acetylene (40) Benzene (30) n-Butane (40) But-1-ene (30) cis-But-2-ene (35) trans-But-2-ene (25) Cyclohexane (40) Cyclopentane (20) n-Decane (30) m-Diethylbenzene (40) p-Diethylbenzene (25) 2,2-Dimethylbutane (40) 2,3-Dimethylbutane (50) 2,3-Dimethylpentane (50) 2,4-Dimethylpentane (40) n-Dodecane (40) Ethane (25) Ethylbenzene (25) Ethene (20) m-Ethyltoluene (25) o-Ethyltoluene (30) p-Ethyltoluene (40) n-Heptane (25) n-Hexane (30) Hex-1-ene (60) Isobutane (25) Isopentane (40) Isoprene (40) | Isopropylbenzene (40) Methylcyclohexane (30) Methylcyclopentane (25) 2-Methylheptane (25) 3-Methylheptane (25) 2-Methylhexane (25) 3-Methylhexane (25) 2-Methylpentane (20) 3-Methylpentane (40) n-Nonane (25) n-Octane (30) n-Pentane (25) Pent-1-ene (25) cis-Pent-2-ene (35) trans-Pent-2-ene (25) Propane (40) n-Propylbenzene (30) Propene (25) Styrene (40) Toluene (40) 1,2,3-Trimethylbenzene (25) 1,2,4-Trimethylbenzene (40) 1,3,5-Trimethylbenzene (25) 2,2,4-Trimethylpentane (30) 2,3,4-Trimethylpentane (25) n-Undecane (30) o-Xylene (25) m/p-Xylene (combined) (40) |
Note that this standard contains some very volatile analytes, and is not suitable for loading onto standard sorbent tubes at ambient temperature.
订购信息：
| Description | Part number |
| Standard, gas cylinder, O3/PAMS, 57-component mix, EPA concentration,20–60 ppb | C-GSPAMS-EPA |
| Regulator, high-purity VOC, 0–100 psi outlet | C-GSREG-100 |
MARKES 热脱附仪配件 C-GSPAMS-EPA信息由北京谱朋科技有限公司为您提供，如您想了解更多关于MARKES 热脱附仪配件 C-GSPAMS-EPA报价、型号、参数等信息，欢迎来电或留言咨询。
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