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High-Quality Analytical Reference Materials Spex | NSI | HPS | Chiron

Precision & Accuracy for Every Analysis

Ensure the highest confidence in your laboratory results with high-quality reference materials from industry-leading brands: Spex, NSI, HPS, and Chiron. Our extensive selection supports environmental, food safety, pharmaceutical, toxicology, cannabis, and industrial testing.

Our Reference Materials Include:

  • Inorganic Standards – Trace metals, ICP, ICP-MS, AAS, and wet chemistry solutions
  • Organic Standards – Pesticides, PCBs, PAHs, VOCs, SVOCs, and more
  • Microbiology Standards – Quantitative and qualitative reference materials for pathogen detection, sterility testing, and microbial analysis
  • Proficiency Testing (PT) Samples – Validate accuracy with external quality controls
  • Custom Standards – Tailored solutions to meet your lab’s specific needs - Fill out your custom request today!

Why Choose Us?

  • ISO 17034 & ISO 17025 Accreditation – Certified for reliability and traceability
  • Compliance with EPA, AOAC, ASTM, ISO, and other global regulations
  • High-Purity Materials – Ensuring precision in every analysis
  • Expert Support – Technical assistance to optimize your testing process

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Explore our full range of analytical and microbiology reference materials.

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9,184 Items found

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SKU: 10M4-2

Barium at 10,000 µg/mL in 5% HCl

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  • Brand HPS
  • Matrix 5% HCl
  • Concentration 10,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10M41-2

Potassium at 10,000 µg/mL in 1% HCl

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  • Brand HPS
  • Matrix 1% HCl
  • Concentration 10,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10M41-1

Potassium at 10,000 µg/mL in 1% HNO3

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  • Brand HPS
  • Matrix 1% HNO3
  • Concentration 10,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10M4-1

Barium at 10,000 µg/mL in 2% HNO3

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  • Brand HPS
  • Matrix 2% HNO3
  • Concentration 10,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10M39-1K

Phosphorus at 10,000 µg/mL in 0.05% HNO3 from KH2PO4

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  • Brand HPS
  • Matrix 0.05% HNO3 from KH2PO4
  • Concentration 10,000 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10M39-1

Phosphorus at 10,000 µg/mL in 0.05% HNO3 from NH4H2PO4

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  • Brand HPS
  • Matrix HNO3 from NH4H2PO4
  • Concentration 10,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10M37-3

Niobium at 10,000 µg/mL in 4% HNO3 + 1% HF

  • CCL
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  • Brand HPS
  • Matrix 4% HNO3 & 1% HF
  • Concentration 10,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10M36-2

Nickel at 10,000 µg/mL in 10% HCl

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  • Brand HPS
  • Matrix 10% HCl
  • Concentration 10,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10M36-1

Nickel at 10,000 µg/mL in 4% HNO3

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  • Brand HPS
  • Matrix 4% HNO3
  • Concentration 10,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10M35-2

Neodymium at 10,000 µg/mL in 4% HCl

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  • Brand HPS
  • Matrix 4% HCl
  • Concentration 10,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10M35-1

Neodymium at 10,000 µg/mL in 4% HNO3

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  • Brand HPS
  • Matrix 4% HNO3
  • Concentration 10,000 µg/mL
  • Measured Impurities 67 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: 10M34-3

Molybdenum at 10,000 µg/mL in 4% HNO3 + 2% HF

  • CCL
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  • Brand HPS
  • Matrix 4% HNO3 & 2% HF
  • Concentration 10,000 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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