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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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9,927 Items found

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SKU: 84410-98

Buffer, pH 7.00, Yellow, 4 L, 17025

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  • Brand Spex
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SKU: 84410-99

Buffer, pH 7.00, Yellow, 500 mL, 17025

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  • Brand Spex
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  • New
SKU: S-4150

Diisobutyl Phthalate; 1000 µg/mL in methanol P&T; 1 mL

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  • Brand Spex
  • Matrix methanol P&T
  • Concentration 1000 µg/mL
  • Certification Single
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  • New
SKU: S-2457

Methylamine; 1000 µg/mL in methanol P&T; 1 mL

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  • Brand Spex
  • Matrix methanol P&T
  • Concentration 1000 µg/mL
  • Certification Single
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  • New
SKU: S-1938

Ethylamine; 1000 µg/mL in methanol P&T; 1 mL

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  • Brand Spex
  • Matrix methanol P&T
  • Concentration 1000 µg/mL
  • Certification Single
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  • New
SKU: S-1599

Dimethylamine; 1000 µg/mL in methanol P&T; 1 mL

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  • Brand Spex
  • Matrix methanol P&T
  • Concentration 1000 µg/mL
  • Certification Single
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SKU: CRM14174.8-50-ME

9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid potassium salt; 50 µg conj. base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 50 µg conj. base/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirm
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SKU: 775L

Enterococcus faecalis CRM

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: 678

Formaldehyde

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: 936-A

Carbaryl in Acetone

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  • Brand NSI
  • Matrix Acetone
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: QCI-147L

Stable Sulfide Standard 1mg/mL

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  • Brand NSI
  • Concentration 1mg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: CRM-5481-1-ME

PFAS EPA Method 533 Mix, 1 µg/mL in methanol with 4 mol eq. NaOH, 1 mL

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  • Brand Chiron
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • Concentration 1 µg/mL
  • Matrix Methanol with 4 mol eq. NaOH
  • Raw Material min. 95% purity
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