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High-quality Inorganic Reference Materials 

We offer a full range of inorganic standards for IC, AA, ICP, and ICP-MS. The highly characterized standards in our Assurance and Claritas PPT lines are intended for ICP and ICP-MS trace analysis. We have built our reputation by providing chemists and environmental scientists products that exhibit quality, reliability, and convenience.

Inorganic Standards Can Be Used For:

  • Atomic Absorption (AA)
  • Inductively Coupled Plasma (ICP)
  • Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
  • Ion Chromatography (IC)

Features of Spex Inorganic Standards:

  • Wide range of single & multi-element standards for Claritas PPT® and Assurance® grades
  • Multi-element standards designed for the latest EPA methods
  • Custom standards tailored to your application needs
  • Traceable to NIST SRM for confidence in results
  • High-purity acids: Assurance® (high purity) & Claritas PPT® (ultra high purity) formulations
  • Broad analytical range with detection levels at ppb (Assurance®) & ppb/ppt (Claritas PPT®), backed by a Certificate of Analysis
  • Dedicated team of scientists for expert guidance & support

Search Our Full Range of Inorganic Standards for IC, AA, ICP, and ICP-MS

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1,834 Items found

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SKU: S21-100Y

MULTI-STANDARD S21, 21 ELEMENTS AT 100UG/G, 100G

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 100 µg/g
SKU: CMQC-081

Water Activity in Hemp Oil

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  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: CMQC-078

Water Activity in Edible

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  • Brand NSI
  • Matrix Edible
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: CMQC-021

Water Activity in Hemp

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  • Brand NSI
  • Matrix Hemp
  • Concentration 50,000 cells/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: CMPT-081B

Water Activity in Oil PT Express (2 pack)

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  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: CMPT-081

Water Activity in Oil (2 pack)

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  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: CMPT-078B

Water Activity in Edible PT Express (2 pack)

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  • Brand NSI
  • Matrix Edible
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: CMPT-078

Water Activity in Edible (2 pack)

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  • Brand NSI
  • Matrix Edible
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: BFS-10Y

Sulfur Biodiesel Standard, 10 µg/g (100 mL)

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  • Brand Spex
  • Matrix B100 Biofuel
  • Concentration 10 µg/g
  • Top rated
SKU: CANN-INHL1

USP 232 REVISION 40 INHALATION 1

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  • Brand Spex
  • Matrix 5% HNO3
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: AS-BRO39-2X

Bromate (BrO3) Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (500 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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