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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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9,912 Items found

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SKU: 100029-6

Lithium 6 Isotope at 1,000 µg/mL in 1% HNO3

  • CCL
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  • Brand HPS
  • Matrix 1% HNO3
  • Concentration 1,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: 100017-2

Europium at 1,000 µg/mL in 2% HCl

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  • Brand HPS
  • Matrix 2% HCl
  • Concentration 1,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: 13628.18-K-ME

Triphenyltin chloride, Purified (≥98%); 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
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SKU: 2128.12-10-IOX5

Arochlor 1254; 10 µg/mL in isooctane; 1 mL x 5

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  • Brand Chiron
  • Matrix isooctane
  • Concentration 10 µg/mL
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SKU: FCPT-022

Proximates and Elements in Infant Formula PT

  • RUO
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  • Brand NSI
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SKU: FCPT-023

Proximates and Elements in Dairy Milk PT

  • RUO
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  • Brand NSI
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  • New
SKU: 12131.10-100

Chloridazon-d5; 100 µg/mL in acetonitrile

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
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  • New
SKU: 11289.14.100-AN

Triadimenol-d4 (4-chlorophenoxy-d4) (mix of stereoisomers); 100 µg/mL in acetonitrile

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
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SKU: SDFS-SET

SET OF 8: SDFS-BLK-Y,-5-Y,-10-Y,-15-Y,-20-Y,-25-Y,-50-Y,-100-Y

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  • Brand Spex
  • Matrix #2 Diesel Fuel
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  • KIT
SKU: DSS8-SET

Set of 8 Sulfur Oil Standards (100 mL)

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  • Brand Spex
  • Matrix Base Oil 20
  • Concentration 500 µg/g
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SKU: DSS8-20Y

Sulfur Oil Standard for Diesel Fuel Analysis, 20 µg/g (100 mL)

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  • Brand Spex
  • Matrix Base Oil 20
  • Concentration 20 µg/g
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SKU: 15718.4-50-ME

1,1,2,2,3,3,4,4,4-Nonafluoro-1-butanesulfinic acid,50 µg/mL in methanol,1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 50 µg/mL
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