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Analytical Reference Materials

Organic, Inorganic, Microbiology & PT Reference Materials

Explore the broadest selection of analytical reference materials and proficiency testing (PT) from the leading brands in certified and analytical reference materials: Spex, NSI, HPS, and Chiron. Our harmonized product development and custom capabilities are tailored to bring you innovative products to help meet your unique application needs.

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9,925 Items found

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SKU: SPEC-SE4

SELENIUM 4 in 2-5% HNO3 1000PPM (125 mL)

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  • Brand Spex
  • Matrix 2-5% HNO3
  • Concentration 1000ppm
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
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SKU: S-5873-PK

Spirotetramat Organic Std, 1000µg/mL in HPLC Acetonitrile (4 x 1 mL)

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  • Brand Spex
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SKU: S-5781

Fenpropathrin

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  • Brand Spex
  • Matrix Acetone
  • Concentration 1,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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SKU: S-5732

trans-Permethrin (mix of isomers)

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  • Brand Spex
  • Matrix Acetone
  • Concentration 1,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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SKU: S-5698

Guaiol

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  • Brand Spex
  • Matrix Methanol-P&T
  • Concentration 1,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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SKU: S-5688

gamma-Terpinene

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  • Brand Spex
  • Matrix Methanol
  • Concentration 1,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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  • Top rated
SKU: S-5687

alpha-Terpinene

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  • Brand Spex
  • Matrix Methanol
  • Concentration 1,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
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SKU: S-5670-PK

Etoxazole Organic Standard, 1000 µg/mL in Acetonitrile (4 x 1 mL)

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  • Brand Spex
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SKU: S-5656-PK

Decabromodiphenyl Ether Organic Std, 1000µg/mL in Toluene (4 x 1 mL)

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  • Brand Spex
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SKU: S-555-PK

Bromoform Organic Standard, 1000 µg/mL in Methanol-P&T (4 x 1 mL)

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  • Brand Spex
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SKU: S-5518-ETOH-PK

Di-n-heptyltin Dichloride, 1000 µg/mL in Ethanol (4 x 1 mL)

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  • Brand Spex
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SKU: S-5506-AC-PK

Pyrethrins (mix of isomers), 1000 µg/mL in Acetone (4 x 1 mL)

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  • Brand Spex
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