Skip to Main Content

Select country

Select your country

Analytical Technique

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.
Grid List

Categories and filters

Filter / Sorting

Categories

Brand

Classification

Accreditations

Product Type

Regulatory Method

Instrument / Test

Analyte - Single / Multi

CAS #

Strain

Analyte / Component

Microorganism

5,991 Items found

Per Page:
Sort by:
Grid List
SKU: PEI-100

Nitrite (2 pack)

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
Quick View
SKU: PEI-099

Acidity Wastewater PT Standard (2 pack)

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
SKU: PEI-096

Low-Level Total Residual Chlorine (2 pack)

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
SKU: PEI-095

Hexavalent Chromium (2 pack)

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
SKU: PEI-092

Turbidity (2 pack)

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
SKU: PEI-091

MBAs Drinking Water Inorganic Standard

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
SKU: PEI-088

Mercury Drinking Water Inorganic Standard

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Quick View
SKU: PEI-087

Mercury (2 pack)

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Quick View
SKU: PEI-086

Sulfide Wastewater PT Standard (2 pack)

  • CCL
Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
SKU: PEI-085K

DMRQA Set 3

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
SKU: PEI-085

UV254 Asorbance Drinking Water Inorganic Standard

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
SKU: PEI-084K

DMRQA Set 2

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
AlertAlertBrowse fileDownload fileFileImagePdfWordTextExcelPowerpointArchiveCsvAudioVideoSpinnerCalendarReturn arrowMinusVisibleInvisibleVisibleInvisibleConfigure