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These products cover a variety of non-spectrographic or non-chromatographic methods, including pH, conductivity and alkalinity. Single-component IC/ISE standards may also be used as wet chemical standards. High-purity sub-boiling acid and reagents used for dilution of standards and samples are also available.


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SKU: QCI-073

Silica QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-041C

Inorganics QC CRM (4 x 500 mL)

  • CCL
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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-041

Inorganics QC CRM

  • CCL
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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-036K

Full NELAC Inorganics Set

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-035K

EPA Inorganics NPW Set

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-019K

Full NELAC WS Inorganics Kit

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-018K

EPA WS Inorganics Kit

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-015

Total Cyanide QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-013

TOC/DOC QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QC-003SNIP

Oil and Grease Method 1664 - Recovery Standard (0.4%) Snip™

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QC-003LSNIP

Oil and Grease Method 1664 - Recovery Standard (0.2%) Snip™

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: IS-012

Alkalinity CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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