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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: BTEX-LM6C-A1

6 Component BTEX Standard at 200 µg/mL in Methanol-P&T, 1 mL

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  • Brand HPS
  • Matrix Methanol-P&T
  • Concentration 200 µg/mL
  • Certification Single: Gravimetric
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SKU: BTEX-HM6C-A1

6 Component BTEX Standard at 2,000 µg/mL in Methanol-P&T, 1 mL

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  • Brand HPS
  • Matrix Methanol-P&T
  • Concentration 2,000 μg/mL
  • Certification Single: Gravimetric
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  • Top rated
SKU: BTEX-H

BTEX Standard, 2,000 µg/mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 2,000 μg/mL
  • Matrix Methanol-P&T
  • Raw Material >95% min; as available
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SKU: BTEX-CT-PK

BTEX Volatile Standard (7 Components), 2000 µg/mL (4 x 1 mL)

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  • Brand Spex
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SKU: BTEX-2-1H-PK

Alternate BTEX Std for EPA Method 602 in Methanol-P&T (4 x 1 mL)

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  • Brand Spex
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SKU: BTEX-1-PK

BTEX Volatile Standard (6 Components), 1000 µg/mL (4 x 1 mL)

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  • Brand Spex
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SKU: QCI-131B

Drinking Water Color - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: QCI-131

Drinking Water Color QC

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: QCI-130B

Wastewater Color - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: QCI-130

Wastewater Color QC CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: QCI-129B

SGT - HEM (TPH) Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: QCI-129

SGT - HEM (TPH) QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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