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Reference Standards: Compounds & Classes

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Hydrocarbons
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Aviation Gas Standard

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100-octane, low-lead fuel used in piston-type aircraft.

Quality Control Standard Mixture, Revised (2 components)

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  • Updated reference materials for GC analysis of TPH in water.
  • Determination of hydrocarbon oil index—applicable to drinking, surface, waste, and treated water.

Quality Control Standard Mixture (2 components)

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  • For GC analysis of total petroleum hydrocarbons (TPH) in water.
  • Environmentally safer than previous methods.
  • Calibration standard available as diesel #2/motor oil and diesel #2/mineral oil.

SV Internal Standard Mix (6 components)

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  • High purity for consistent results.
  • Free quality assurance data package available online.
  • Highest concentrations commercially available.

Creosote Oil Standard

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Creosote oil is a coal tar derived distillate.

  • For total petroleum hydrocarbon pattern recognition of creosote oil.
  • High concentration50,000 µg/mL in methylene chloride.

Certified Aromatics in Gasoline (16 components)

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  • Confirm unleaded gasoline TPH, BTEX, and aromatics in a single analysis.
  • Certificate of Analysis includes concentration of TPH, and certified concentrations of BTEX and individual aromatics.
  • Complete data pack available.

B/N Surrogate Mix (4/89 SOW) (3 components)

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  • High purity for consistent results.
  • Free quality assurance data package available online.
  • Highest concentrations commercially available.
  • Convenient 1 mL, 5 mL, and 10 mL package sizes reduce cost per sample extract.

Hydraulic Oil Standard

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  • For total petroleum hydrocarbon pattern recognition of hydraulic oil.
  • High concentration50,000 µg/mL in methylene chloride.

Standard Mixture Stock Solution (2 components)

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  • For GC analysis of total petroleum hydrocarbons (TPH) in water.
  • Calibration standard available as diesel #2/motor oil and diesel #2/mineral oil.

Unleaded Gasoline Standard

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Prepared from a single-source (one-refinery) product.

Kerosene Standard

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Prepared from a single-source (one-refinery) product.

Unleaded Gasoline (ASTM Class 2 Accelerant)

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Prepared from a single source (one refinery) product. The weathered materials indicate the percent weight loss from the original material.

Diesel:Biodiesel (80:20) Blend Standard

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The biodiesel component is methyl soyate.

Diesel Fuel #2 Standard

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Prepared from a single-source (one-refinery) product.

Kerosene (ASTM Class 4 Accelerant)

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Prepared from a single source (one refinery) product. The weathered materials indicate the percent weight loss from the original material.

Diesel Fuel #2 (ASTM Class 5 Accelerant)

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Prepared from a single source (one refinery) product. The weathered materials indicate the percent weight loss from the original material.

TNRCC 1005 Retention Time Markers Mix (4 components)

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  • Easily determine the retention time window for each boiling point range.
  • Prepared in n-pentane according to EPA requirements.

Mineral Spirits

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There are four general types of mineral spirits, classified according to boiling point range (BPR):
  • Type I (Stoddard solvent), BPR 149–182 °C
  • Type II (high flash point), BPR 177–196 °C
  • Type III (odorless), BPR 149–196 °C
  • Type IV (low dry point), BPR 149–174 °C

    This standard is manufactured using the Type 1 mineral spirit.

    Note: Cat.#s 31260 and 31261 are produced with CAS# 64475-85-0, a Type 1 Mineral Spirit containing the proper ratio of n-alkanes (higher proportion) and isoparaffins/cycloalkanes (lower proportion). Lots produced prior to March 2017 contained CAS# 8030-30-6, a C10-C13 isoparaffins odorless Mineral Spirit with >98% isoparaffins (branched alkanes/aromatics) and minimal n-alkanes.

Unleaded Gasoline Composite Standard

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  • Unleaded gasoline composite standards are comprised of three separate sources each of 87, 89, and 93 octane blended in equal portions.
  • Gasoline standards may exhibit lot-to-lot variation.
  • See the Documentation tab for chromatograms on certificates of recently produced lots and inquire about availability.

    NOTE: BTEX content of catalog numbers 30081, 30205, and 30206 is not measured. Certified BTEX gasoline standards are available as catalog numbers 30237 and 30485.

Weathered Gasoline Kit #2

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Contains 1 mL each of these mixtures.
30096: Unleaded Gasoline Standard
30097: Unleaded Gasoline Standard: 25% Weathered
30098: Unleaded Gasoline Standard: 50% Weathered
30099: Unleaded Gasoline Standard: 75% Weathered
30436: Unleaded Gasoline Standard: 99% Weathered

Diesel Fuel #2 Composite Standard

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  • Diesel Fuel composite standards are comprised of three separate sources blended in equal portions.
  • Diesel Fuel standards may exhibit lot-to-lot variation.
  • See the Documentation tab for chromatograms on certificates of recently produced lots and inquire about availability.

Fuel Oil Degradation Mix (4 components)

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Subsurface degradation of fuel oil spills can be estimated by examining the ratios of C17/pristane and C18/phytane.1 To assist in identifying these four compounds from the complex fuel oil analysis, we offer a product that contains these compounds for retention time determination.

Weathered Kerosene Kit

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Contains 1 mL each of these mixtures.
31229: Kerosene Standard
31230: Kerosene Standard: 25% Weathered
31231: Kerosene Standard: 50% Weathered
31232: Kerosene Standard: 75% Weathered

BTEX Gas Mix (6 components)

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Our high-quality air monitoring gas calibration standards are provided by Spectra/Linde and Airgas (formerly Scott/Air Liquide gas)meeting lab requirements for two separate sources of calibration standards.

Note: Actual cylinder pressure may vary due to loss from quality testing procedure.

To view compatible regulators, select your standard below and see Restek Recommends.

418.1 Calibration Mix (3 components)

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Method 418.1 is an infrared spectrophotometric method for determining Total Recoverable Petroleum Hydrocarbons (TRPH). Dilute this mixture 1:200 to make the stock mixture specified in section 6.5.2 of Method 418.1.

Kerosene Composite Standard

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  • Kerosene composite standards are comprised of three separate sources blended in equal portions.
  • Kerosene standards may exhibit lot-to-lot variation.
  • See the Documentation tab for chromatograms on certificates of recently produced lots and inquire about availability.

Weathered Diesel Fuel #2 Kit

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Contains 1 mL each of these mixtures.
31233: Diesel Fuel #2 Standard
31234: Diesel Fuel #2 Standard: 25% Weathered
31235: Diesel Fuel #2 Standard: 50% Weathered
31236: Diesel Fuel #2 Standard: 75% Weathered

Motor Oil Composite Standard

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  • Prepared from an equal-volume blend of 5W30, 10W30, 10W40, and 20W50 motor oils. After blending, a precisely weighed amount of the composite is added to a volumetric flask to produce the standard.
  • Motor oil standards may exhibit lot-to-lot variation.
  • See the Documentation tab for chromatograms on certificates of recently produced lots and inquire about availability.

Stoddard Solvent Standard

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We offer this certified reference material for those who need to calibrate Stoddard solvent separately. This standard is dissolved in methanol for analysis by either direct injection or purge and trap.

EFSA PAH4 Standard (4 components)

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  • European Food Safety Authority (EFSA) PAH4 compounds prepared in toluene solvent.
  • High 1,000 µg/mL concentrationdilute as needed to economically prepare custom mixes.
  • Low volatilitylonger shelf life and more accurate results.
  • High miscibilitycompatible with QuEChERS solvents.

Used Motor Oil Composite Standard

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  • Prepared from an equal-volume blend from five gasoline-powered vehicles (belonging to Restek employees). After blending, a precisely weighed amount of the composite is added to a volumetric flask to produce the standard.
  • Motor oil standards may exhibit lot-to-lot variation.
  • See the Documentation tab for chromatograms on certificates of recently produced lots and inquire about availability.

CCME PHC Calibration Mix (3 components)

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  • Meets CCME 2001 Petroleum Hydrocarbons in Soil MethodTier 1.
  • Primary reference calibration standards for quantification of four fractions.

Fuel Oil #4 Standard

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Fuel oil #4 is typically used in limited applications in which the fuel cannot be preheated prior to burning. The fuel is a blend of distillate (fuel oil #2) and residual (fuel oil #6).

Qualitative Retention Time Index Standard (27 components)

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  • Appropriate for a wide range of retention index systems.
  • Certified reference material (CRM) verified to be stable and accurate.
  • Qualitatively analyzed to confirm composition; certificate available for each CRM lot.

Fuel Oil #6 Standard

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A high-viscosity residual type of heavy fuel oil requiring preheating to 104–127 °C. This material is also known as residual fuel oil (RFO) or Bunker C.