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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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SKU: INFCS-1

17 Component ICP Interference Check 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: ICV-2

3 Component ICP Standard at 100 µg/mL in 15% HCl

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  • Brand HPS
  • Matrix 15% HCl
  • Concentration 100 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: ICV-1-B

3 Component ICP Standard

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  • Brand HPS
  • Matrix H2O
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: INFCS-1-A

16 Component ICP Interference Check Standard in 4% HNO3 Solution A

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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: ICV-4

22 Component ICP Standard in 4% HNO3 + Tr HF

  • CCL
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  • Brand HPS
  • Matrix 4% HNO3 & Tr HF
  • Concentration Multiple
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: MM-9004

20% NH4H2PO4 Matrix Modifier for GFAAS in 0.05% HNO3

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  • Brand HPS
  • Matrix 0.05% HNO3
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: MM-9011

1% Mg(NO3)2 Matrix Modifier for GFAAS in 1% HNO3 (250 mL)

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  • Brand HPS
  • Matrix 1% HNO3
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: MM-9012

5% Mg(NO3)2 Matrix Modifier for GFAAS in 1% HNO3 (250 mL)

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  • Brand HPS
  • Matrix 1% HNO3
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: MM-9031

1% Ni(NO3)2 Matrix Modifier for GFAAS in 1% HNO3

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  • Brand HPS
  • Matrix 1% HNO3
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: MM-9032

Matrix Modifier for GFAAS in 1% HNO3 5% Ni(NO3)2

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  • Brand HPS
  • Matrix 1% HNO3
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: MM-9040

Matrix Modifier for GFAAS in H2O 0.1% NH4NO3

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  • Brand HPS
  • Matrix H2O
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: MM-9042

5% NH4NO3 Matrix Modifier for GFAAS in H2O

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  • Brand HPS
  • Matrix H2O
  • Certification Single: Gravimetric w/ICP Confirmation
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