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Analytical Reference Material

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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9,385 Items found

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SKU: S-4336-PK

2,4,6-Trichloroanisole-d5, 1000 µg/mL in Methanol-P&T (4 x 1 mL)

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  • Brand Spex
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SKU: S-4311-PK

Tetrabromo Bisphenol A, 1000 µg/mL in Methanol-P&T (4 x 1 mL)

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  • Brand Spex
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SKU: S-4309-PK

2,4,6-Tribromoanisole Organic Std, 1000 µg/mL in Methanol (4 x 1 mL)

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  • Brand Spex
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SKU: S-4279

Ethyl formate

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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-4251-AC

Tetramethrin

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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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  • Top rated
SKU: S-4251

Tetramethrin

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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-4240

Allethrin

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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-4238-PK

2-Methyl-1-butanol Organic Std, 1000µg/mL in Methanol-P&T (4 x 1 mL)

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  • Brand Spex
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SKU: S-4199-PK

Methyl Hydrazine Organic Std, 1000 µg/mL in Methanol-P&T (4 x 1 mL)

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  • Brand Spex
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SKU: S-4175-PK

trans-2-Butene, 1000 µg/mL in Methanol-P&T (4 x 1 mL)

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  • Brand Spex
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SKU: S-4174-PK

Dipropylene Glycol Methyl Ether, 1000µg/mL in Methanol-P&T (4 x 1 mL)

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  • Brand Spex
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SKU: S-4173

p-Mentha-1,5-diene

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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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