Skip to Main Content

Select country

Select your country

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.

Browse Our Products below

Categories and filters

Filter / Sorting

Categories

Brand

Classification

Accreditations

Product Type

Regulatory Method

Instrument / Test

Analyte - Single / Multi

CAS #

Strain

Analyte / Component

Microorganism

9,207 Items found

Per Page:
Sort by:
  • Top rated
SKU: PLAG2-2X

Silver, 1,000 µg/mL, for AA and ICP (500 mL)

Login to view pricing
  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: PLAG2-2T

Silver, 1,000 µg/mL, for AA and ICP (250 mL)

Login to view pricing
  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: PLAG2-2M

Silver, 1,000 µg/mL, for AA and ICP (30 mL)

Login to view pricing
  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
SKU: PHMIX2C

Residual Solvents Mixture - Class IIC

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Mass Balance; w/Analytical confirmation
SKU: PHMIX2B

Residual Solvents Mixture - Class IIB

Login to view pricing
  • Brand NSI
  • Certification Mass Balance; w/Analytical confirmation
  • Raw Material >95% min; as available
SKU: PHMIX2A

Residual Solvents Mixture - Class IIA

Login to view pricing
  • Brand NSI
  • Certification Mass Balance; w/Analytical confirmation
  • Raw Material >95% min; as available
SKU: PHMIX1

Residual Solvents Mixture - Class I

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Mass Balance; w/Analytical confirmation
SKU: PH-BUFF12-500

PH BUFFER STANDARD 12

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

PH BUFFER STANDARD 11

Login to view pricing
  • Brand Spex
  • Certification Single: Wet Chemistry
  • Concentration 11 SI Units
  • Matrix H2O
SKU: PH685

Tetrahydrofuran

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Mass Balance; w/Analytical confirmation
SKU: PH636

Tartaric acid

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Mass Balance; w/Analytical confirmation
AlertAlertBrowse fileDownload fileFileImagePdfWordTextExcelPowerpointArchiveCsvAudioVideoSpinnerCalendarReturn arrowMinusVisibleInvisibleVisibleInvisibleConfigure