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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

Download Our Inorganic Standards Brochure

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

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1,815 Items found

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TCLP Metals in Soil TCLP Metals in Soil
SKU: SQCI-005

TCLP Metals in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Hexavalent Chromium – Blind Hexavalent Chromium – Blind
SKU: SQCI-003B

Hexavalent Chromium – Blind

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
  • Raw Material >95% min; as available
Hexavalent Chromium Hexavalent Chromium
SKU: SQCI-003

Hexavalent Chromium

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Metals in Soil – Blind Metals in Soil – Blind
SKU: SQCI-001B

Metals in Soil – Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Metals in Soil Metals in Soil
SKU: SQCI-001

Metals in Soil

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
  • Top rated
  • KIT
Heavy Metals Testing Kit Heavy Metals Testing Kit
SKU: SPXHM-KIT

Heavy Metals Testing Kit

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  • Brand Spex
  • Matrix Multiple
  • Concentration Multiple
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
Perchlorate in Soil Perchlorate in Soil
SKU: SPEI-141

Perchlorate in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
TPH in Soil TPH in Soil
SKU: SPEI-140

TPH in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Oil and Grease in Soil Oil and Grease in Soil
SKU: SPEI-037

Oil and Grease in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Sulfide in Soil Sulfide in Soil
SKU: SPEI-018

Sulfide in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Cyanide in Soil Cyanide in Soil
SKU: SPEI-017

Cyanide in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Low Level PAHs in Soil Low Level PAHs in Soil
SKU: SPEI-016

Low Level PAHs in Soil

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  • Brand NSI
  • Matrix Soil
  • Certification Single: Gravimetric and/or Volumetric
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