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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.
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5,992 Items found

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SKU: IS-008

P-PO4 CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: IS-007

P04 CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: IS-006

Total Phosphorus CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: IS-005

NO3 CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: IS-004

NO2 CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: IS-003

NH3 CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: IS-002

N-NH3 CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: IS-001H

COD CRM (500 mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: IS-001

COD CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: ORG-AG8-2Z

Silver 1,000 µg/mL (1,000 ppm) (50 g)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 1,000 µg/mL
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SKU: WQC-PH-7-500

pH Standard 7 at 25ºC at 7.00 units in H2O (500 mL)

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  • Brand HPS
  • Matrix H2O
  • Raw Material Two 9s as available; no purification
  • Certification Single: Grav. w/multiple Analytical Confirmation
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SKU: WQC-COND-500

Conductivity Standard at 25 ?ºC at 100 µmhos in H2O (500 mL)

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  • Brand HPS
  • Matrix H2O
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ Wet Chem
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