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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: ISOT-LI6

Lithium 6, 100 µg/mL (100 ppm) for ICP-MS (125 mL)

  • CCL
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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 100 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: INT-B3

ICP Analytes B3 (125 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 100 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: INT-B2

ICP Alternate Interferents B (500 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 100 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: INT-B1

ICP Analytes B1 (125 mL)

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  • Brand Spex
  • Matrix 5% HNO3
  • Concentration 100 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: INT-A2

ICP Alternate Interferents A, 1,000 µg/mL (1,000 ppm) (500 mL)

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  • Brand Spex
  • Matrix 5% HNO3/tr. F-
  • Concentration 1,000 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: INT-A1

ICP Interferents A1 (500 mL)

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  • Brand Spex
  • Matrix 5% HNO3
  • Concentration 5,000 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
SKU: INFCS-7

6 Component ICP Standard in 5% HNO3

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  • Brand HPS
  • Matrix 5% HNO3
  • Concentration 1,000 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: INFCS-6

5 Component ICP Standard in 4% HNO3

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  • Brand HPS
  • Matrix 4% HNO3
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: INFCS-5

2 Component ICP Standard in 2% HCl

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  • Brand HPS
  • Matrix 2% HCl
  • Concentration 5,000 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: INFCS-4

4 Component ICP Interference Check Standard at 5,000 µg/mL in 5% HNO3

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  • Brand HPS
  • Matrix 5% HNO3
  • Concentration 5,000 µg/mL
  • Measured Impurities 19 elements to ppb (product)
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: INFCS-2

Component ICP Standard in 20% HCl (100 mL)

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  • Brand HPS
  • Matrix 20% HCl
  • Concentration 1,000 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: INFCS-1-B

1 Component ICP Interference Check Standard in 4% HNO3 Solution B

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  • Brand HPS
  • Matrix 4% HNO3
  • Concentration 300 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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