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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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SKU: 61-0012

E. coli

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
SKU: 10772.21-100-AN

Bisphenol A Bis(2-hydroxypropyl) ether; 100 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
SKU: 10772.21-10MG

Bisphenol A Bis(2-hydroxypropyl) ether; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 10779.8-K-IO

1,2-Dibromoethylbenzene; 1000 µg/mL in isooctane; 1 mL

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  • Brand Chiron
  • Matrix isooctane
  • Concentration 1000 µg/mL
SKU: 10780.22-100-IO

4-tert-Butylphenyldiphenyl phosphate; 100 µg/mL in isooctane; 1 mL

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  • Brand Chiron
  • Matrix isooctane
  • Concentration 100 µg/mL
SKU: 10780.22-50-T

4-tert-Butylphenyldiphenyl phosphate; 50 µg/mL in toluene; 1 mL

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  • Brand Chiron
  • Matrix toluene
  • Concentration 50 µg/mL
SKU: 10781.18-K-ME

Tri-n-hexyl phosphate; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 10807.17800UM-ME

Norclozapine; 800 µmol/L in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 800 µmol/L
SKU: 10823.23-10K10ME

Piperacillin sodium salt; 10,000 µg conj. base/mL in methanol; 10 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 10,000 µg conj. base/mL
SKU: 10858.22-025-5D

Tetracycline hydrochloride; 2.5 µg base/mL in dried down; 1 mL x 5

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  • Brand Chiron
  • Matrix dried down
  • Concentration 2.5 µg base/mL
SKU: 10893.10-500MEX2

Sulfadiazine; 500 µg/mL in methanol; 1 mL x 2

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  • Brand Chiron
  • Matrix methanol
  • Concentration 500 µg/mL
SKU: 10928.17-K-IO

n-Pentyltri-n-butyltin; 1000 µg/mL in isooctane; 1 mL

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  • Brand Chiron
  • Matrix isooctane
  • Concentration 1000 µg/mL
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