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Monitoraggio di serbatoi per lo stoccaggio sotterraneo

Monitoraggio di serbatoi per lo stoccaggio sotterraneo

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Standard qualitativo di Indice del Tempo di Ritenzione (27 composti)

  • Indicato per un' ampio range di sistemi di indice di ritenzione.
  • Materiale di riferimento certificato (CRM)stabile ed accurato.
  • Analizzato qualitativamente per confermarne la composizione; certificato disponibile per ogni lotto di CRM.

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Acquaragia

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.

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MA VPH - Miscela aggiunta in matrice cpn surrogato rev. 1.1 (luglio 2004) (16 componenti)

  • For current Massachusetts VPH method: surrogate included.
  • Matrix spike mix at 50µg/mL, per updated method.

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Standard VPH con surrogato rev. 1.1 (luglio 2004) MA (16 componenti)

  • Standard for current Massachusetts VPH method: surrogate included.
  • More analyses per ampulstandard with surrogate is 10,000µg/mL.

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Standard CA WIP VOA (11 componenti)

For monitoring samples suspected of gasoline contamination, Los Angeles County requires laboratories to calibrate and report these compounds.

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Aromatici certificati in benzina (16 componenti)

  • 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.

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Standard solvente di Stoddard

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.

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Miscela deterioramento olio combustibile (4 componenti)

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.

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Standard gasolio N. 2

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

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Standard cherosene

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

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Standard benzina senza piombo

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

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Standard olio idraulico

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

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Standard olio di creosoto

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.

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Standard gas aviazione

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

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Standard olio combustibile N. 6

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.

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Standard olio combustibile N. 4

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).

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Standard composito olio motore usato

  • 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.

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Standard composito olio motore

  • 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.

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Standard composito cherosene

  • 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.

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Standard composito gasolio N. 2

  • 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.

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Standard composito benzina senza piombo

  • 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.

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Miscela marcatori tempo di ritnzione TNRCC 1005 (4 componenti)

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

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Miscela Massachusetts APH (26 composti)

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.

See Related Products below for compatible regulators.

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Miscela gas BTEX (6 composti)

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.

See Related Products below for compatible regulators.

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