Reference Standards: Single Component Solutions

Used to passivate your LC system before your first analysis if you:

a) are analyzing phosphorylated compounds or other polar molecules known to chelate, or interact with metal ions in your LC (e.g., glyphosate)

and also

b) have stainless steel in your instrument flow path.

• U.S. Drug Enforcement Agency (DEA)-exempted preparation—no need to purchase costly neat materials or to make your own standards.
• Pair with Restek's cannabinoid standards for more-comprehensive analysis of cannabis and hemp products by LC.
• A must for accurate quantification in cannabis potency testing and chemovar ID.
• Verified composition and stability.
• Prepared in acetonitrile, instead of methanol, to maintain stability and prevent methylation of carboxylic acid groups.

• Ideal for creating multipoint (5-point minimum suggested) calibration curves for LC analysis.
• Pair with Restek's cannabinoid standards for a more-comprehensive analysis of cannabis products by LC.
• A must for accurate quantification in cannabis testing and strain ID.
• Verified composition and stability.
• Prepared stock product eliminates the need for in-house standards preparation.

• Ideal for creating multipoint (5-point minimum suggested) calibration curves for LC-MS/MS.
• Pair with Restek's cannabinoid standards for more-comprehensive analysis of cannabis products by LC.
• A must for accurate quantification in cannabis potency testing and strain ID.
• Verified composition and stability.
• Prepared stock product eliminates the need for in-house standards preparation.

• For accurate determination of trans fat content in foods and edible oils.
• Pair with an Rt-2560 GC column for reliable AOAC and AOCS method performance.
• Verified composition and stability.

• For accurate determination of trans fat content in foods and edible oils.
• Pair with an Rt-2560 GC column for reliable AOAC and AOCS method performance.
• Verified composition and stability.

• For accurate determination of trans fat content in foods and edible oils.
• Pair with an Rt-2560 GC column for reliable AOAC and AOCS method performance.
• Verified composition and stability.

• U.S. Drug Enforcement Agency (DEA)-exempted preparation—no need to purchase costly neat materials or to make your own standards.
• A must for accurate quantification in cannabis potency testing and strain ID.
• Verified composition and stability.

• U.S. Drug Enforcement Agency (DEA)-exempted preparation—no need to purchase costly neat materials or to make your own standards.
• Pair with Restek's THC standards to analyze both neutrals and acids in cannabis products by LC.
• A must for accurate quantification in medical cannabis potency testing and strain ID.
• Prepared in acetonitrile, instead of methanol, to maintain stability and prevent methylation of carboxylic acid groups.

• Easy deactivation of liners and other glass surfaces.
• Convenient—25 mL bottle deactivates 60 inlet liners.
• Tested to ensure consistent quality and effectiveness.

• The industry's only suite of off-the-shelf reference standards for detecting ethylene oxide and 1,4-dioxane* in PEG-based products.
• Formulated with concentrations needed by labs analyzing cosmetics and personal care products for possible carcinogens.
• Quantitatively tested to confirm composition; detailed support documentation provided.

U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S.

Canadian Test Kit registration numbers are assigned and available on individual product pages.

U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S.

Canadian Test Kit registration numbers are assigned and available on individual product pages.

U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S.

Canadian Test Kit registration numbers are assigned and available on individual product pages.

U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S.

Canadian Test Kit registration numbers are assigned and available on individual product pages.

• Ready to use for generating test mixes, calibration standards, and spiking experiments.
• Reliable standards produced according to specifications defined in AOAC Official Method 2007.01.
• Cost-effective QuEChERS standards can be used without dilutions for greater lab efficiency.

This reference standard is prepared from levorphanol tartrate dihydrate (CAS# 5985-38-6) at a final concentration equivalent to 1000 µg/mL of the parent compound levorphanol (CAS# 77-07-6).

Note: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for seven days. Ground freight is the default shipping method for this product; expedited methods are available upon request.

U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S.

Canadian Test Kit registration numbers are assigned and available on individual product pages.

U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S.

Canadian Test Kit registration numbers are assigned and available on individual product pages.

U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S.

Canadian Test Kit registration numbers are assigned and available on individual product pages.

• Chlordane standards may exhibit lot-to-lot variation.
• See the Documentation tab for chromatograms on certificates of recently produced lots and inquire about availability.

This product has a limited shelf life. We recommend that you order only the ampul quantity that meets your immediate needs.

Note: Store standards under frozen conditions (0 °C or colder). We recommend you store ampuls lying flat (horizontally) to prevent breakage. For best results, thaw the contents of the ampul fully and shake the ampul well before opening and using the solution.

• Toxaphene standards may exhibit lot-to-lot variation.
• See the Documentation tab for chromatograms on certificates of recently produced lots and inquire about availability.

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

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.

Supports ASTM Methods D2887, D6352, D7169, D7398, and D7500.

These high molecular weight hydrocarbon waxes are useful for simulated distillation and other high-temperature GC work.

• For total petroleum hydrocarbon pattern recognition of hydraulic oil.
• High concentration—50,000 µg/mL in methylene chloride.

Creosote oil is a coal tar derived distillate.

For total petroleum hydrocarbon pattern recognition of creosote oil.

High concentration—50,000 µg/mL in methylene chloride.

• 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.

• 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.

• 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.

• 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.

• 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.

• High concentration.
• Acetonitrile solvent—suitable for HPLC analyses.

• Aroclor standards may exhibit lot-to-lot variation.
• See the Documentation tab for chromatograms on certificates of recently produced lots and inquire about availability.

• Efficiently controls foam; effective over a wide pH range.
• No hazardous materials, no components that are target analytes.
• Effective at less than 0.1% of sample volume.