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Inorganic Reference Materials

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

IC Standards

ICP Standards

ICP-MS Standards

Cannabis & Hemp

USP <232> and USP <233> Elemental Impurity and ICH Standards

Organometallic Oil Standards

Carbon Black

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SKU: CWW-TM-H

22 Component Trace Metals in 10% HNO3 + Tr HF, Mix H (10 mL)

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  • Brand HPS
  • Matrix 10% HNO3 + Tr HF, Mix G
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: CWW-TM-F

22 Component Trace Metals in 10% HNO3 + Tr HF, Mix F (10 mL)

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  • Brand HPS
  • Matrix 10% HNO3 + Tr HF, Mix F
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: CWW-TM-E

22 Component Trace Metals in 10% HNO3 + Tr HF, Mix E (10 mL)

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  • Brand HPS
  • Matrix 10% HNO3 + Tr HF, Mix E
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: CWW-TM-D

22 Component Trace Metals in 10% HNO3 + Tr HF Mix D (10 mL)

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  • Brand HPS
  • Matrix 10% HNO3 + Tr HF Mix D
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: CWW-TM-C

22 Component Trace Metals in 10% HNO3 + Tr HF, Mix C (10 mL)

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  • Brand HPS
  • Matrix 10% HNO3 + Tr HF, Mix C
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: CWW-TM-B

22 Component Trace Metals in 10% HNO3 + Tr HF, Mix B (10 mL)

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  • Brand HPS
  • Matrix 10% HNO3 + Tr HF, Mix B
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: CWW-TM-A

22 Component Trace Metals in 10% HNO3 + Tr HF, Mix A (10 mL)

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  • Brand HPS
  • Matrix 10% HNO3 + Tr HF, Mix A
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: CWW-CN-F

Cyanide Solution at 0.7 µg/mL Total Cyanide in 0.5% KOH (10 mL)

  • CCL
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  • Brand HPS
  • Matrix 0.5% KOH
  • Concentration 0.35 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: CWW-CN-D

Cyanide Solution at 0.04 µg/mL Total Cyanide in 0.5% KOH (10 mL)

  • CCL
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  • Brand HPS
  • Matrix 0.5% KOH
  • Concentration 0.02 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: CWW-CN-C

Cyanide Solution at 1.0 µg/mL Total Cyanide in 0.5% KOH (10 mL)

  • CCL
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  • Brand HPS
  • Matrix 0.5% KOH
  • Concentration 0.5 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: CWW-CN-B

Cyanide Solution at 0.2 µg/mL Total Cyanide in 0.5% KOH (10 mL)

  • CCL
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  • Brand HPS
  • Matrix 0.5% KOH
  • Concentration 0.1 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: IFC-K-1A

Infinitas™ Potassium Nitrate, >/= 99.99% trace metal basis

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  • Brand Spex
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