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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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9,384 Items found

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SKU: ECS-N-062-PK

2,3,4,6-Tetrachlorophenol:Methods 625 & 8270, 1000µg/mL (4 x 5.5 mL)

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  • Brand Spex
SKU: ECS-N-023-PK

Acid Extractables Surrogate Mix (4 Comp.), 2000 µg/mL (4 x 5.5 mL)

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  • Brand Spex
SKU: SS-9027

Pseudomonas paraeruginosa Snap-Stick™

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Qualitative; morphology confirmation
SKU: UD-9027

Unit Dose™ Pseudomonas paraeruginosa

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: 61-00026

Pseudomonas paraeruginosa

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: 51-00026

Pseudomonas paraeruginosa NCTC 12924 for USP 51 (1x10^8 CFU)

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: FM-711

Total Enterobacteriaceae for 3M Petrifilm™

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: FM-734

Yeast and Mold for 3M Petrifilm™

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: FM-708

Aerobic Lactic Acid for 3M Petrifilm™

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
  • Top rated
  • KIT
SKU: SPXMT-KIT

Minerals Testing Kit

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration Multiple
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
  • KIT
SKU: SPXHM-KIT

Heavy Metals Testing Kit

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  • Brand Spex
  • Matrix Multiple
  • Concentration Multiple
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • New
SKU: 9484.8-100K-ME

2-Phenylethylamine, 100 mg/mL, ME, 1 mL

  • RUO
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  • Brand Chiron
  • Certification Single
  • Concentration 100 mg/mL
  • Matrix methanol
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