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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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9,926 Items found

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SKU: S-1522

Diethylamine; 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: RB-MMA-1

Mixed Mineral Acid 2% HNO3 + 0.5% HF Reagent Blank

  • CCL
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  • Brand HPS
  • Certification Single: Gravimetric
  • Matrix 2% HNO3 + 0.5% HF
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SKU: RB-HNO3-5

5% Nitric Acid Reagent Blank

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  • Brand HPS
  • Certification Single: Gravimetric
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SKU: RB-HNO3-2

2% Nitric Acid Reagent Blank

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  • Brand HPS
  • Certification Single: Gravimetric
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SKU: RB-HCL-5

5% Hydrochloric Acid Reagent Blank

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  • Brand HPS
  • Certification Single: Gravimetric
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SKU: RB-HCL-2

2% Hydrochloric Acid Reagent Blank

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  • Brand HPS
  • Certification Single: Gravimetric
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SKU: RB-H2O

D.I. 18 Megaohm Water Reagent Blank

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  • Brand HPS
  • Certification Single: Gravimetric
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  • Top rated
SKU: PLBLK-HNO3

Nitric Acid Blank (500 mL) in 5% HNO3

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  • Brand Spex
  • Matrix 5% HNO3
  • Concentration Blank
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Blank Confirmed by density & ICPMS Impurities
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  • Top rated
SKU: PLBLK-HCL

Hydrochloric Acid Blank (500 mL) in 5% HCl

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  • Brand Spex
  • Matrix 5% HCl
  • Concentration Blank
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Blank Confirmed by density & ICPMS Impurities
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SKU: PH-BUFF12-500

PH BUFFER STANDARD 12

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  • Brand Spex
  • Certification Single: Wet Chemistry
  • Concentration 12 SI Units
  • Matrix H2O
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SKU: PH-BUFF11-500

PH BUFFER STANDARD 11

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  • Brand Spex
  • Certification Single: Wet Chemistry
  • Concentration 11 SI Units
  • Matrix H2O
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SKU: IB-LA-B5

5% Lanthanum Ionization Buffer for FAAS in 1% HNO3

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  • Brand HPS
  • Certification Single: Gravimetric
  • Matrix 1% HNO3
  • Raw Material Three 9s as available; no purification
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