GC Analyzer Calibration Standards & Solutions

Ensure measurement accuracy, regulatory compliance, and repeatable results with our dedicated range of calibration gas standards and dynamic dilution tools.

Non-refillable standard gas cylinders

Compact, portable, and ready-to-use, our non-refillable (disposable) calibration gas cylinders deliver reliable routine verification and multi-point calibration directly in the field or at the bench, eliminating heavy cylinder logistics.

As a leading specialist in gas chromatography, CHEMLYS partners with premier specialty gas producers to provide a comprehensive catalog of calibration gas mixtures. Delivered within standard lead times of four weeks, these reference standards streamline analytical validation for plant operators, field service engineers, and laboratory chemists.

A comprehensive selection of compounds to suit every application: 

  • Permanent and light gases: Oxygen (O2), Nitrogen (N2), Hydrogen (H2), Carbon monoxide (CO), Carbon dioxide (CO2), Methane (CH4).

  • Reactive gases: Hydrogen sulfide (H2S), Ammonia (NH3).

  • Specific compounds and VOCs: BTEX (Benzene, Toluene, Ethylbenzene, Xylenes).

  • Light hydrocarbons: Ethylene, ethane, acetylene, propane, propylene, etc.

Compact, Lightweight Footprint: Packaged in 1.8 L disposable aluminum cylinders pressurized to 69 bar (1,000 psi), providing approximately 110 L of gas at standard temperature and pressure for straightforward handling and zero rental fees gas analysers.

Maximum safety and portability: The limited gas volume simplifies safety compliance. Highly portable, these cylinders provide the perfect balance between mobility and a long shelf life for your gas mixtures.

The perfect match for Micro GC Fusion: Specifically suited for calibrating the Micro GC Fusion, our reference mixtures pair perfectly with the analyzer's low-volume sampling and micro-machined architecture to maximize calibration linearity and long-term analytical repeatability.

ReferenceDescription of the mixture
1008520 ppm Carbon Monoxide // Air
1008620 ppm Carbon Monoxide // Nitrogen
1008750 ppm Carbon Monoxide // Air
1008860 ppm Carbon Monoxide // Air
10089100 ppm Carbon Monoxide // Air
10090100 ppm Carbon Monoxide // Nitrogen
10091150 ppm Carbon Monoxide // Air
10092200 ppm Carbon Monoxide // Air
10093200 ppm Carbon Monoxide // Nitrogen
10094250 ppm Carbon Monoxide // Air
10095300 ppm Carbon Monoxide // Air
10096500 ppm Carbon Monoxide // Air
10097500 ppm Carbon Monoxide // Nitrogen
100981000 ppm Carbon Monoxide // Air
100991000 ppm Carbon Monoxide // Nitrogen
101002000 ppm Carbon Monoxide // Nitrogen
101011 % Carbon Monoxide // Air
101025 % Carbon Monoxide // Air
101035 % Carbon Monoxide // Nitrogen
10104100 ppm Hydrogen // Air
10105100 ppm Hydrogen // Nitrogen
10106200 ppm Hydrogen // Air
10107500 ppm Hydrogen // Air
101080.1 % Hydrogen // Air
101090.2 % Hydrogen // Air
101100.4 % Hydrogen // Air
101110.5 % Hydrogen // Air
101120.8 % Hydrogen // Air
101131 % Hydrogen // Air
101141 % Hydrogen // Nitrogen
101151.2 % Hydrogen // Air
101161.6 % Hydrogen // Air
101172 % Hydrogen // Air
1011810 % Hydrogen // Nitrogen
10119100% Hydrogen Premier Plus (5.0)
101205 ppm Hydrogen Sulphide // Air
101215 ppm Hydrogen Sulphide // Nitrogen
1012210 ppm Hydrogen Sulphide // Air
1012310 ppm Hydrogen Sulphide // Nitrogen
1012415 ppm Hydrogen Sulphide // Nitrogen
1012520 ppm Hydrogen Sulphide // Air
1012620 ppm Hydrogen Sulphide // Nitrogen
1012725 ppm Hydrogen Sulphide // Air
1012825 ppm Hydrogen Sulphide // Nitrogen
1012940 ppm Hydrogen Sulphide // Air
1013040 ppm Hydrogen Sulphide // Nitrogen
1013150 ppm Hydrogen Sulphide // Air
1013250 ppm Hydrogen Sulphide // Nitrogen
10133100 ppm Hydrogen Sulphide // Air
10134100 ppm Hydrogen Sulphide // Nitrogen
10135150 ppm Hydrogen Sulphide // Air
10136250 ppm Hydrogen Sulphide // Air
10137250 ppm Hydrogen Sulphide // Nitrogen
10138500 ppm Hydrogen Sulphide // Nitrogen
101391000 ppm Hydrogen Sulphide // Nitrogen
101401400 ppm Hydrogen Sulphide // Nitrogen
101411 % Hydrogen Sulphide // Nitrogen
10142100 ppm Methane // Air
101431000 ppm Methane // Air
101440.44% Methane // Air
101450.5 % Methane // Air
101460.88% Methane // Air
101471 % Methane // Air
101481 % Methane // Nitrogen
101491.25% Methane // Air
101501.5 % Methane // Air
101511.8% Methane // Air
101522 % Methane // Air
101532.2 % Methane // Air
101542.5 % Methane // Air
101552.5 % Methane // Nitrogen
101563 % Methane // Nitrogen
101575 % Methane // Nitrogen
101588 % Methane // Nitrogen
1015910% Methane // Nitrogen
1016020 % Methane // Nitrogen
1016150 % Methane // Nitrogen
1016250 % Methane // CO2 (max pressure 650PSI) Dioxide
1016360 % Methane // CO2 (max pressure 800PSI) Dioxide
10164100% Methane (2.5)
10165500 ppm Carbon Dioxide // Nitrogen
10166500 ppm Carbon Dioxide // Air
101671000 ppm Carbon Dioxide // Air
101685000 ppm Carbon Dioxide // Air
101695000 ppm Carbon Dioxide // Nitrogen
101701 % Carbon Dioxide // Air
101711 % Carbon Dioxide // Nitrogen
101731.5 % Carbon Dioxide // Air
101742 % Carbon Dioxide // Air
101752 % Carbon Dioxide // Nitrogen
101763 % Carbon Dioxide // Nitrogen
101773 % Carbon Dioxide // Air
101785 % Carbon Dioxide // Air
101795 % Carbon Dioxide // Nitrogen
1018010 % Carbon Dioxide // Air
1018110 % Carbon Dioxide // Nitrogen
1018218 % Carbon Dioxide // Argon
1018320% Carbon Dioxide // Air
1018430 % Carbon Dioxide // Argon
1018540 % Carbon Dioxide // Methane
1018650 % Carbon Dioxide // Nitrogen
1016250% Carbon Dioxide // Methane
1018860 % Carbon Dioxide // Nitrogen
1018980 % Carbon Dioxide // Nitrogen
10190100% Carbon Dioxide (23 bar)
10191100 ppm Oxygen // Nitrogen
101920.4 % Oxygen // Nitrogen
101931 % Oxygen // Nitrogen
101942 % Oxygen // Nitrogen
101954 % Oxygen // Nitrogen
101965 % Oxygen // Nitrogen
101978 % Oxygen // Nitrogen
1019810 % Oxygen // Nitrogen
1019915 % Oxygen // Nitrogen
1020018 % Oxygen // Nitrogen
1020118.5% Oxygen // Nitrogen
1020220.9 % Oxygen // Nitrogen
1020323.5 % Oxygen // Nitrogen
102040.5 % Acetylene // Air
1020525 ppm Ammonia // Air
1020625 ppm Ammonia // Nitrogen
1020750 ppm Ammonia // Air
1020850 ppm Ammonia // Nitrogen
10209100 ppm Ammonia // Air
10210100 ppm Ammonia // Nitrogen
10211500 ppm Ammonia // Air
10212500 ppm Ammonia // Nitrogen
102131000 ppm Ammonia // Air
102141000 ppm Ammonia // Nitrogen
102150.5 % Ammonia // Air
102160.5 % Ammonia // Nitrogen
102171 % Ammonia // Air
102181 % Ammonia // Nitrogen
102195 % Ammonia // Air
10220100 % "First" Argon (5.0)
102215 ppm Benzene // Air
102220.4 % Butane // Air
102230.6 % Butane // Air
102240.7 % Butane // Air
102250.75% Butane // Air
102260.9 % Butane // Air
102278% Butane / 13.8% CO2 // Nitrogen (pressure restricted - 100 psig)
102280.75% Iso-Butane // Air
102290.9 % Iso-Butane // Air
102308 % Iso-Butane // Nitrogen
1023110 % Iso-Butane // Nitrogen
102328 ppm Iso-Butylene // Air
1023310 ppm Iso-Butylene // Air
10234100 ppm Iso-Butylene // Air
102351000 ppm Iso-Butylene // Air
102365 ppm Chlorine // Nitrogen
1023710 ppm Chlorine // Nitrogen
1023820 ppm Chlorine // Nitrogen
1023950 ppm Chlorine // Nitrogen
10240130 ppm Ethanol // Nitrogen
10241192 ppm Ethanol // Nitrogen
10242260 ppm Ethanol // Nitrogen
102431000 ppm Ethylene // Air
102441 % Ethylene // Air
102451 % Ethylene // Nitrogen
102461.35% Ethylene // Air
1024710 ppm Ethylene Oxide // Nitrogen
1024810 ppm Ethylene Oxide // Air
10249100 ppm Ethylene Oxide // Air
10250100% Helium "First" (5.0)
102511000 ppm Hexane // Air (pressure restricted 600 psig)
102521200 ppm Hexane // Air (pressure restricted 450 psig)
102530.5 % Hexane // Air (pressure restricted 100 psig)
102545 ppm Hydrogen Chloride // Nitrogen
1025510 ppm Hydrogen Chloride // Nitrogen
1025620 ppm Hydrogen Chloride // Nitrogen
1025725 ppm Hydrogen Chloride // Nitrogen
1025850 ppm Hydrogen Chloride // Nitrogen
102595 ppm Hydrogen Cyanide // Nitrogen
1026010 ppm Hydrogen Cyanide // Nitrogen
1026120 ppm Hydrogen Cyanide // Nitrogen
1026225 ppm Hydrogen Cyanide // Nitrogen
1026310 ppm Nitric Oxide // Nitrogen
1026425 ppm Nitric Oxide // Nitrogen
1026550 ppm Nitric Oxide // Nitrogen
10266100 ppm Nitric Oxide // Nitrogen
10267500 ppm Nitric Oxide // Nitrogen
102681000 ppm Nitric Oxide // Nitrogen
102694000 ppm Nitric Oxide // Nitrogen
10270100% Nitrogen Technical (5.0)
10271Nitrogen Dioxide // Air
102725 ppm Nitrogen Dioxide // Nitrogen
1027310 ppm Nitrogen Dioxide // Air
1027410 ppm Nitrogen Dioxide // Nitrogen
1027520 ppm Nitrogen Dioxide // Air
1027625 ppm Nitrogen Dioxide // Air
10277100 ppm Nitrogen Dioxide // Air
10278100 ppm Nitrogen Dioxide // Nitrogen
10279500 ppm Nitrogen Dioxide // Nitrogen
102801000 ppm Nitrogen Dioxide // Air
10281100 ppm Nitrous Oxide // Nitrogen
10282200 ppm Nitrous Oxide // Nitrogen
102831 % Nitrous Oxide // Nitrogen
102840.7 % Pentan // Air
102850.5 ppm Phosphine // Nitrogen
102865 ppm Phosphine // Nitrogen
1028710 ppm Phosphine // Nitrogen
102880.1 % Propane // Air
102890.5 % Propane // Air
102900.68% Propane // Air
102910.85% Propane // Air
102920.9 % Propane // Air
102931 % Propane // Air
102941.1 % Propane // Air
1029550 % Propane // Nitrogen
102961 % Propylene // Air
1029710 ppm Sulphur Dioxide // Nitrogen
1029820 ppm Sulphur Dioxide // Nitrogen
10299100 ppm Sulphur Dioxide // Nitrogen
103002000 ppm Sulphur Dioxide // Nitrogen
10301500 ppm Sulphur Hexafluoride // Air
103021000 ppm Sulphur Hexafluoride // Air
103031 % Hexafluoride// Air
10304100 ppm Toluene // Air (pressure restricted 750 psig)
10305200 ppm Toluene // Air (pressure restricted 400 psig)
1030610 ppm Vinyl Chloride // Nitrogen
103071 % Propane / 18 % Oxygen // Nitrogen
103088% Butane / 13.8% Carbon Dioxide // Nitrogen
(pressure restricted 100 psig)
103091 % Methane / 3 % Carbon Dioxide // Nitrogen
103101.5 % Methane / 15 % Oxygen // Nitrogen
103111.62% Methane / 18% Oxygen // Nitrogen
103120.9 % Butane / 18 % Oxygen // Nitrogen
103130.7 % Pentane / 15 % Oxygen // Nitrogen
103140.7 % Pentane / 18 % Oxygen // Nitrogen
1031525 % Nitrogen / 35 % Carbon Dioxide // Methane
103162.2 % Methane / 18 % Oxygen // Nitrogen
103172.5 % Methane / 18 % Oxygen // Nitrogen
103185 % Methane / 10 % Carbon Dioxide // Nitrogen
103190.5 % Oxygen / 30 % Carbon Dioxide // Nitrogen
103202 % Carbon Dioxide / 2.5 % Methane / 15 % Oxygen // Nitrogen
1032150 ppm Carbon Monoxide / 4 % Methane / 5 % Carbon Dioxide // Nitrogen
103225 % Carbon Dioxide / 5 % Methane / 6 % Oxygen // Nitrogen
1032350 ppm Carbon Monoxide / 2.2 % Methane / 18 % Oxygen // Nitrogen
1032450 ppm Carbon Monoxide / 2.5 % Methane / 12 % Oxygen // Nitrogen
1032550 ppm Carbon Monoxide / 2.5 % Methane / 18 % Oxygen // Nitrogen
10326100 ppm Carbon Monoxide / 2.2 % Methane / 15 % Oxygen // Nitrogen
10327100 ppm Carbon Monoxide / 2.5 % Methane / 19 % Oxygen // Nitrogen
10328100 ppm Carbon Monoxide / 2.5 % Methane / 18 % Oxygen // Nitrogen
10329100 ppm Carbon Monoxide / 2.2 % Methane / 18 % Oxygen // Nitrogen
1033025 ppm Hydrogen Sulphide / 2.5 % Methane / 18.5% Oxygen // Nitrogen
1033150 ppm Hydrogen Sulphide / 2.5 % Methane / 17 % Oxygen // Nitrogen
1033215 ppm Hydrogen Sulphide / 0.75% Methane / 18% Oxygen // Nitrogen
1033360 ppm Carbon Monoxide / 1.5 % Carbon Dioxide / 2.5 % Methane / 18 % Oxygen // Nitrogen
10334100 ppm Carbon Monoxide / 2 % Carbon Dioxide / 2.2 % Methane / 15 % Oxygen // Nitrogen
10335100 ppm Carbon Monoxide / 2% Carbon Dioxide / 0.75% Propane / 15% Oxygen // Nitrogen
10336100 ppm Hydrogen / 100 ppm Methane / 5 % Carbon Dioxide / 16 % Oxygen // Nitrogen
1033710 ppm H2S / 50 ppm CO / 2.2 % CH4 / 18 % O2 // N2
1033810 ppm H2S / 50 ppm CO / 2.5 % CH4 / 18 % O2 // N2
1033910 ppm H2S / 50 ppm CO / 2.5 % CH4 / 20.9 % O2 // N2
1034015 ppm H2S / 50 ppm CO / 2.5 % CH4 / 18 % O2 // N2
1034115 ppm H2S / 100 ppm CO / 2.2 % CH4 / 18 % O2 // N2
1034215 ppm H2S / 100 ppm CO / 2.5 % CH4 / 18 % O2 // N2
1034315 ppm H2S / 100 ppm CO / 2 % CO2 / 15 % O2 // N2
1034415 ppm H2S / 250 ppm CO / 2.5 % CH4 / 18 % O2 // N2
1034515 ppm H2S / 2 % CO2 / 2.5 % CH4 / 15 % O2 // N2
1034620 ppm H2S / 60 ppm CO / 1.45% CH4 / 15% O2 // N2
1034725 ppm H2S / 50 ppm CO / 1.62 % CH4 / 18 % O2 // N2
1034825 ppm H2S / 50 ppm CO / 2.2 % CH4 / 12 % O2 // N2
1034925 ppm H2S / 50 ppm CO / 2.2 % CH4 / 18 % O2 // N2
1035025 ppm H2S / 50 ppm CO / 2.5 % CH4 / 18 % O2 // N2
1035125 ppm H2S / 50 ppm CO / 2.5 % CH4 / 19 % O2 // N2
1035225 ppm H2S / 50 ppm CO / 2.5 % CH4 / 20.9 % O2 // N2
1035325 ppm H2S / 50 ppm CO / 2.5 % CH4 / 12.0% O2 // N2
1035425 ppm H2S / 50 ppm CO / 0.9 % Iso-Butane / 12 % O2 // N2
1035525 ppm H2S / 65 ppm CO / 1.5 % CH4 / 18.5 % O2 // N2
1035625 ppm H2S / 100 ppm CO / 1.25% CH4 / 18% O2 // N2
1035725 ppm H2S / 100 ppm CO / 2.2 % CH4 / 18 % O2 // N2
1035825 ppm H2S / 100 ppm CO / 2.2 % CH4 / 20.9 % O2 // N2
1035925 ppm H2S / 100 ppm CO / 2.5 % CH4 / 18 % O2 // N2
1036025 ppm H2S / 100 ppm CO / 2.5 % CH4 / 18.5 % O2 // N2
1036125 ppm H2S / 100 ppm CO / 2.5 % CH4 / 19 % O2 // N2
1036225 ppm H2S / 100 ppm CO / 2.5 % CH4 / 20.9 % O2 // N2
1036325 ppm H2S / 100 ppm CO / 0.85% Propane / 18% O2 // N2
1036425 ppm H2S / 100 ppm CO / 0.35% Pentane / 18% O2 // N2
1036525 ppm H2S / 100 ppm CO / 0.7 % Pentane / 18 % O2 // N2
1036625 ppm H2S / 100 ppm CO / 1.1% Propane / 18% O2 // N2
1036725 ppm H2S / 100 ppm CO / 1.1% Propane / 19% O2 // N2
1036825 ppm H2S / 200 ppm CO / 2.5 % CH4 / 17 % O2 // N2
1036925 ppm H2S / 200 ppm CO / 0.7 % Pentane / 18 % O2 // N2
1037040 ppm H2S / 100 ppm CO / 2.2 % CH4 / 15 % O2 // N2
1037140 ppm H2S / 100 ppm CO / 2.5 % CH4 / 15 % O2 // N2
1037240 ppm H2S / 2 % CO2 / 2.5 % CH4 / 15 % O2 // N2
1037350 ppm H2S / 200 ppm CO / 2.2 % CH4 / 17 % O2 // N2
1037450 ppm H2S / 200 ppm CO / 2.5 % CH4 / 17 % O2 // N2
1037550 ppm H2S / 500 ppm CO / 2.5 % CH4 / 18 % O2 // N2
1037615 ppm H2S / 50 ppm CO / 2 % CO2 / 2.5 % CH4 / 18 % O2 // N2
1037715 ppm H2S / 100 ppm CO / 1 % CO2 / 2.5 % CH4 / 18 % O2 // N2
1037815 ppm H2S / 100 ppm CO / 2 % CO2 / 2.5 % CH4 / 15 % O2 // N2
1037915 ppm H2S / 100 ppm CO / 2 % CO2 / 0.75% Butane / 15 % O2 // N2
1038025 ppm H2S / 100 ppm CO / 5000 ppm CO2 / 2.2 % CH4 / 18 % O2 // N2
1038125 ppm H2S / 100 ppm CO / 5000 ppm CO2 / 2.5 % CH4 / 18 % O2 // N2
1038225 ppm H2S / 100 ppm CO / 2 % CO2 / 2.5 % CH4 / 20.9 % O2 // N2
1038340 ppm H2S / 100 ppm CO / 2 % CO2 / 2.2 % CH4 / 15 % O2 // N2
1038410 ppm Benzene
10 ppm Ethyl-Benzene
10 ppm Toluene
10 ppm M-Xylene
10 ppm O-Xylene
10 ppm P-Xylene
Nitrogen balance
10385100 ppm Hydrogen
500 ppm Carbon Dioxide
500 ppm Carbon Monoxide
500 ppm Ethane
500 ppm Ethylene
500 ppm Acetylene
500 ppm Methane
Balance Air
10386100 ppm Methane
100 ppm Ethane
100 ppm Propane
100 ppm Butane
100 ppm Pentane
100 ppm Hexane
Nitrogen balance

standard bottle 110L

Standard cylinder

Need a specific gas or mixture? The CHEMLYS team supports you in defining the most suitable calibration mixture for your industrial and analytical constraints. You can also find the list of standard available mixtures.

regulator 0-1 barg

Regulator for non-refillable cylinders

CHEMLYS offers a compact pressure regulator suitable for small standard bottles. Two versions exist depending on the nature of the gas with an inert version for reactive compounds. The kit includes the output connector and a 1/16" tube.

ZEPHYR II Compact 2-Channel Gas Mixer & Gas Diluter

Optimize Operating Costs and Simplify Calibration: The ZEPHYR II is a high-precision gas diluter engineered to automate multi-point calibrations and generate multiple target concentrations from a single standard cylinder. Streamline routine metrology, minimize gas cylinder inventory, and reduce operational expenses without sacrificing analytical accuracy.

The ZEPHYR II, designed by our partner Alytech, is an ultra-compact, standalone, two-channel dynamic gas diluter specifically engineered for on-site analyzer calibration directly at the point of use. By blending a concentrated standard gas with a diluent gas, it generates fully traceable, high-precision concentrations on demand. Operating without the need for an external PC thanks to its built-in 7-inch touchscreen and dedicated embedded AlySoft™ software, it provides an ideal portable solution for laboratory benches and field calibrations alike.

Built for demanding applications, its robust construction incorporates passivated wetted surfaces and Kalrez® perfluoroelastomer seals—delivering reliable trace-level performance with corrosive or reactive species (sulphur compounds, NOx, VOC, NH3).

Compliant with ISO 6145-7: uncertainty calculation, traceability, set point accuracy of +/- 1%, repeatability < 0.1%

Dilution factor: 2,000 in standard version - up to 10,000

Smart Sequences: One-click multipoint curve constructor and automated execution

Micro GC or GC analyzer synchronization by dry/TTL contact

ZEPHYR II gas dilutor

Zephyr II – Compact 2-channel gas mixer and diluter

The ZEPHYR II is an ultra-compact, standalone, dual-channel dynamic gas diluter engineered for analyzer calibration directly at the point of use. Blending a reference standard gas with a diluent gas, it generates precise, traceable concentrations on demand in full compliance with the ISO 6145-7 standard. Featuring embedded AlySoft™ software with no external PC required, automated uncertainty calculation, and up to six hours of battery operation with its optional battery pack.

Individually factory-calibrated, every flow controller guarantees high-precision linearity and dependable repeatability across its entire dynamic range, from very low to high flow rates.

AIOLOS gas diluter

Aiolos III - Dynamic gas mixer and diluter, 2 to 6 channels

AIOLOS III is the third-generation GasMix™ dynamic gas mixer, blender, and diluter from AlyTech. Engineered by chemists and instrumentation specialists, it generates custom calibration gas standards directly on site—from percentage levels down to trace concentrations. By blending and diluting two to six gas channels, AIOLOS III delivers precise, repeatable concentrations backed by complete traceability and certified metrological accuracy.

Built for robustness and full ISO 6145-7 compliance, the compact AIOLOS III ensures reliable analytical performance for testing facilities and research laboratories requiring uncompromising accuracy, operational flexibility, and proven durability from their gas blending systems.

Permeation tubes

Critical for atmospheric emissions tracking and occupational safety compliance, our certified permeation devices deliver a continuous, highly reproducible reference stream—making them the optimal solution for calibration at sub-ppm and ppb concentrations.

Specifically engineered for unstable, highly reactive, or condensable species that cannot be reliably stored in conventional cylinders, this dynamic generation method covers an extensive range of target analytes:

When calibrating unstable, highly reactive compounds or generating ultra-low concentrations (trace and sub-trace levels), conventional gas cylinders often reach their technical limits. To overcome these analytical challenges, CHEMLYS provides custom permeation tubes on demand, a proven reference method to produce continuous calibration gas streams with exceptional accuracy.

Custom Engineering: Maximizing Permeation Tube Performance. Manufacturing a reliable permeation tube relies on mastering a strict thermodynamic equilibrium. To engineer the exact solution for your application, our specialists carefully calibrate the following parameters:

  • The target concentration range: This parameter enables us to determine the permeation rate, which is precisely governed by the chemical nature, thickness, and surface area of the permeable polymer membrane.

  • The operating temperature: The critical parameter governing constant, repeatable tracer gas diffusion inside your permeation chamber.

  • Active Substance Purity: The precursor compound (liquid or solid) sealed inside the permeation device is rigorously vetted for high chemical purity to rule out baseline noise or co-elution interferences during detector calibration.

Specific and toxic volatile organic compounds (VOCs): Dimethylsulfate (DMS), Bis(chloromethyl)ether (BCME), Acrylonitrile, Benzene

Sulphur compounds: Hydrogen sulphide (H2S), mercaptans, sulphur dioxide (SO2).

Halogenated compounds: Epichlorohydrin, Chloroform, Trichloroethylene, Carbon tetrachloride, Dichloroethane, etc.

Calibration Standards for GC-UV and Fuel Analysis

Ensuring the reliability, accuracy, and repeatability of your gas chromatography analyses demands high-purity, traceable calibration standards as an absolute requirement.

For downstream refining and petrochemical testing facilities, keeping compliance-critical analyzers (including standardized GC-FID and GC-VUV systems) operating at peak accuracy hinges on certified reference standards. These mixtures are vital for dependable hydrocarbon speciation and seamless adherence to ASTM and EN test methods.

Our calibration and verification standards are specifically formulated to meet the demands of your daily workflows. Engineered to calibrate detector response, validate complex spectral deconvolution methods, and streamline routine quality control (QA/QC) testing, they ensure uncompromising metrological traceability. To support your full spectrum of petroleum product testing, we provide an extensive portfolio of standards tailored to your analytical methods.

GC-VUV calibration and verification standards : Specifically developed to meet the requirements of EN 18015, ASTM D8071, and ASTM D8267 standards. These reference mixtures guarantee accurate PIONA compound group classification, precise VUV spectral absorbance calibration, and robust validation for quantifying aromatics (BTEX) and co-eluting oxygenates.

LOWOX (oxygenated traces) : These certified standards are engineered for ultra-trace quantification of oxygenated compounds (alcohols, ethers, ketones) in complex hydrocarbon matrices, ensuring optimal performance in compliance with standardized test methods such as ASTM D7423, ASTM D7754, and UOP 960.

SIMDIS, PIANO/PONA and other petroleum products : Comprehensive reference materials engineered for all petroleum GC applications. Our portfolio includes simulated distillation (SIMDIS) standards for precise boiling point distribution profiling per ASTM D2887, ASTM D7169, and EN ISO 3924, as well as quantitative multi-component mixtures (PONA, PIANO, and DHA) for Detailed Hydrocarbon Analysis of finished gasolines and light reformates compliant with ASTM D6729, ASTM D6730, and EN ISO 22854.