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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: CS-LI2-2Y

Lithium (Li+) Single-Element Ion Cation Standard, 1,000 µg/mL (1,000 ppm) (125 mL)

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  • Brand Spex
  • Matrix 0.2% HNO3
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: CS-K2-2Y

Potassium (K+) Single-Element Ion Cation Standard, 1,000 µg/mL (1,000 ppm) (125 mL)

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  • Brand Spex
  • Matrix 0.2% HNO3
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: CRDL-2A

ICP Contract Required Detection Limit Standard 2A (125 mL)

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  • Brand Spex
  • Matrix 10% HNO3
  • Concentration 5,000 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: CRDL-2

ICP Contract Required Detection Limit Standard 2 (125 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 200 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: CRDL-1

ICP Contract Required Detection Limit Standard 1 (125 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 120 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
SKU: CRDL

15 Component ICP CRDL Standard in 2% HNO3 + Tr HF

  • CCL
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  • Brand HPS
  • Matrix 2% HNO3 & Tr HF
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
  • Top rated
SKU: CLZR2-1BY

Zirconium, 1 µg/mL (1 ppm) for ICP-MS (125 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1 µg/mL
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: CLZN2-2M

Zinc, 1,000 µg/mL (1,000 ppm) for ICP-MS (30 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1,000 µg/mL
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: CLZN2-1BY

Zinc, 1 µg/mL (1 ppm) for ICP-MS (125 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1 µg/mL
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: CLZN2-1AY

ZINC ICP/ICPMS STD IN 2% HNO3 10PPM (125 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 10PPM
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: CLZN2-1AM

ZINC ICP/ICPMS STD IN 2% HNO3 10PPM (30 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 10PPM
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: CLY2-1BY

Yttrium, 1 µg/mL (1 ppm) for ICP-MS (125 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1 µg/mL
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
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