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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

Get Started Today

Explore our full range of analytical and microbiology reference materials.

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9,169 Items found

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SKU: IC-S2O3

Thiosulfate from Sodium Thiosulfate at 100 µg/mL in H2O (100 mL)

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  • Brand HPS
  • Matrix H2O
  • Concentration 100 µg/mL
  • Raw Material Three 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: ICP-WS-4

18 Component ICP Standard in 2% HNO3

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  • Brand HPS
  • Matrix 2% HNO3
  • Concentration 10 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: ICP-WS-3

8 Component ICP Standard in 5% HCl

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  • Brand HPS
  • Matrix 5% HCl
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: ICP-WS-2

15 Component ICP Working Standard in 2% HNO3

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  • Brand HPS
  • Matrix 2% HNO3
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: ICP-SSWS-M

18 Component ICP Standard Spiking Solution in 2% HNO3 + Tr HF

  • CCL
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  • Brand HPS
  • Matrix 2% HNO3 & Tr HF
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: ICP-SSWS

18 Component ICP Spiking Solution in 2% HNO3 + Tr HF

  • CCL
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  • Brand HPS
  • Matrix 2% HNO3 & Tr HF
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: ICP-SS

26 Component ICP Standard in 2% HNO3 + Tr HF

  • CCL
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  • Brand HPS
  • Matrix 2% HNO3 & Tr HF
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: IC-PRO-M

Propionate at 1,000 µg/mL in H2O (100 mL)

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  • Brand HPS
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Raw Material Three 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: IC-PRO

Propionate at 100 µg/mL in H2O

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  • Brand HPS
  • Matrix H2O
  • Concentration 100 µg/mL
  • Raw Material Three 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: IC-PP-10M

Phosphate from Ammonium Dihydrogen Phosphate at 10,000 µg/mL in H2O

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  • Brand HPS
  • Matrix H2O
  • Concentration 10,000 µg/mL
  • Raw Material Three 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: ICP-MS-TS-9-B

8 Component ICP-MS Tuning Standard Solution B

  • CCL
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  • Brand HPS
  • Matrix 10% HCl & 1% HNO3 & Tr HF
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: ICP-MS-TS-9-A

27 Component ICP-MS Tuning Standard Solution A

  • CCL
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  • Brand HPS
  • Matrix 5% HNO3
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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