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One of the first instruments an analyst learns to operate in their career is some form of an energy-based detector. These types of detectors are often at the heart of other spectrometry and chromatography instruments. The basis for many GC and LC instruments is a spectrometry or spectrophotometry configuration in which energy (or light) plays an important role in analysis.

There is often a lot of confusion between the terms chromatography, spectroscopy, spectrometry, and spectrophotometry. These concepts are intrinsically linked but are still different approaches to looking at (or measuring) matter with light (or energy). The terms are all based around the Greek word origins for color (chroma-) and light (photo-) combined with the terms” ‘to write’ (graphein), ‘to measure’ (metria), ‘to see’ (skopia), or the Latin ‘to look at’ (specere). The different disciplines can be understood as a general sphere of study with levels of increasing specialty or specificity.

Spectrometry (the measurement of the interaction of energy and matter) is the basis for all of the other techniques. There are several types of spectrometry defined by their target and method of measurement. The most common analytical techniques found in the organic laboratory are mass spectrometry and spectroscopy.

IC

Spex provides a range of both positively charged cation and negatively charged anion IC standards for all your Ion chromatography analyses. Spex standards are available for all the most common single ion solutions.

LC/MS

Spex® Certiprep LCMS standards can assist you with all your complex LCMS analyses.

GC/MS

Spex® Certiprep GCMS standards are widely available for analyses ranging from agricultural testing to environmental samples.

GC

Spex® GCMS standards are widely available for analyses ranging from agricultural testing to environmental samples for semivolatiles and volatiles.

HPLC

HPLC is a complex process that depends on each molecule’s ability to interact with the mobile phase that carries it through the column, the solid phase that fills the columns, as well as interactions between the different molecules in the sample.

ICP/MS

Spex® Certiprep provides quality ICP-MS standards for all your trace analyses from 1 ug/mL to 1000 ug/mL in a variety of packaging sizes.

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SKU: EMPT-1

EXTRACTABLE METALS FROM PLASTIC TOYS 1 (125 mL)

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  • Brand Spex
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: ECS-Z-003

Acid Extractables Surrogate Mix, 2,000 µg/mL

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  • Brand NSI
  • Matrix Methylene Chloride
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-Z-002

Base/Neutral Surrogate Mix, 1,000 µg/mL

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  • Brand Spex
  • Matrix Methylene Chloride
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-N-027

Semivolatile Surrogates Mix

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  • Brand Spex
  • Matrix Methylene Chloride
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-N-022

Base/Neutral Surrogate Mix, 1,000 µg/mL

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  • Brand Spex
  • Matrix Methylene Chloride
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-N-008

Decafluorotriphenylphosphine (DFTPP), 50 µg/mL

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  • Brand NSI
  • Matrix Methylene Chloride
  • Concentration 50 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-N-005

Base/Neutral Spiking Mix, 1,000 µg/mL

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  • Brand NSI
  • Matrix Methylene Chloride
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-N-004

Acid Extractables Spiking Mix, 2,000 µg/mL

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  • Brand NSI
  • Matrix Methylene Chloride
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-N-003

Acid Extractables Surrogate Mix, 2,000 µg/mL

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  • Brand NSI
  • Matrix Methylene Chloride
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-N-002

Base/Neutral Surrogate Mix, 1,000 µg/mL

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  • Brand Spex
  • Matrix Methylene Chloride
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
SKU: ECS-K-050

Semivolatiles Calibration Kit, 2,000 µg/mL

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  • Brand Spex
  • Matrix Multiple
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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