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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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1,834 Items found

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SKU: AS-BR9-5Y

Bromide (Br) Single-Element Ion Selective Electrode Standard, 0.1 M (125 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 0.1 M
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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  • Top rated
SKU: AS-BR9-5X

Bromide (Br) Single-Element Ion Selective Electrode Standard, 0.1 M (500 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 0.1 M
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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  • Top rated
SKU: AS-BR9-2Y

Bromide (Br-) Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (125 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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  • Top rated
SKU: AS-BR9-2X

Bromide (Br-) Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (500 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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  • Top rated
SKU: AS-ACE9-2Y

Acetate (C2H3O2) Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (125 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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  • Top rated
SKU: AS-ACE9-2X

Acetate (C2H3O2) Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (500 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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SKU: AM-900Y

Multi-Element Organometallic Oil Standards, 5 Elements, 900 µg/g, 100 g

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 900 µg/g
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SKU: AM-5000Z

Multi-Element Organometallic Oil Standards, 5 Elements, 5,000 µg/g, (50 g)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 5,000 µg/g
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SKU: AM-5000Y

Multi-Element Organometallic Oil Standards, 5 Elements, 5,000 µg/g, 100 g

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 5,000 µg/g
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SKU: AM-1000Z

Multi-Element Organometallic Oil Standards, 5 Elements, 1,000 µg/g, (50 g)

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 1,000 µg/g
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SKU: AM-1000Y

Multi-Element Organometallic Oil Standards, 5 Elements, 1,000 µg/g, 100 g

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  • Brand Spex
  • Matrix Base Oil 75
  • Concentration 1,000 µg/g
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SKU: IC-SCN-M

Thiocyanate from Sodium Thiocyanate at 1,000 µg/mL in H2O

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  • Brand HPS
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Raw Material Three 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
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