Skip to Main Content

Select country

Select your country

Analytical Reference Materials

Organic, Inorganic, Microbiology & PT Reference Materials

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.

Environmental

Food & Agriculture

Cannabis & Hemp

Toxicology

Pharmaceutical

Industrial

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

8,729 Items found

Per Page:
Sort by:
Grid List
TOX Concentrate - Blind TOX Concentrate - Blind
SKU: QCI-104B

TOX Concentrate - Blind

Login to view pricing
  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
TOX QC Concentrate CRM TOX QC Concentrate CRM
SKU: QCI-104

TOX QC Concentrate CRM

Login to view pricing
  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
Silica Concentrate - Blind Silica Concentrate - Blind
SKU: QCI-101B

Silica Concentrate - Blind

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
Silica QC Concentrate CRM Silica QC Concentrate CRM
SKU: QCI-101

Silica QC Concentrate CRM

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
Nitrite-N Concentrate - Blind Nitrite-N Concentrate - Blind
SKU: QCI-100B

Nitrite-N Concentrate - Blind

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
Quick View
Nitrite-N QC Concentrate CRM Nitrite-N QC Concentrate CRM
SKU: QCI-100

Nitrite-N QC Concentrate CRM

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

Acidity - Blind

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
Acidity QC CRM Acidity QC CRM
SKU: QCI-099

Acidity QC CRM

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
Low Level Total Residual Chlorine Concentrate - Blind Low Level Total Residual Chlorine Concentrate - Blind
SKU: QCI-096B

Low Level Total Residual Chlorine Concentrate - Blind

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
Low Level Total Residual Chlorine QC Concentrate CRM Low Level Total Residual Chlorine QC Concentrate CRM
SKU: QCI-096

Low Level Total Residual Chlorine QC Concentrate CRM

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

Hexavalent Chromium Concentrate - Blind

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

Hexavalent Chromium QC Concentrate CRM

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