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Water Analysis Standards

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Conductivity Standards

Conductivity Standards
  • KCl-based conductivity reference standards
  • Conductivity Standards with TDS
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NSI Water Standards

NSI Water Standards
  • Free & Total Chlorine
  • Wastewater Demand
  • Solids in Wastewater
  • Minerals & Nutrients
  • Oil/Grease, Sulfide & Surfactants
  • Wet Chemistry Standards
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pH Buffers

pH Buffers
  • Standard pH buffer solutions for calibrating pH meters and electrodes, available in 500mL, 1L and 5L sizes.
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SCP peCHECK Standards

SCP peCHECK Standards
  • Performance evaluation (PE) check samples for verifying method accuracy and instrument calibration
  • peCHECK Nutrients — Level 1, 2 & 3
  • peCHECK Minerals — Level 1 & 2
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Semivolatile Organic CRMs

Semivolatile Organic CRMs
  • High-concentration CRMs for EPA Method 8270/625 semivolatile organics analysis
  • BNA Mix & Appendix IX SVOC Mixes
  • Benzidines Mix
  • Organophosphorus Pesticides
  • Internal Standards & Tuning Mix
  • BNA Surrogates
  • Matrix Spike & LCS Spike Mixes
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Volatile Organics CRMs

Volatile Organics CRMs
  • High-concentration CRMs for EPA Method 8260/624 volatile organics analysis in P&T Methanol
  • VOC Mix-84, 78, 61 & 54
  • Method 8260 Internal Standards & Surrogates
  • Gases Mix & Ketones Mix
  • Acrolein/Acrylonitrile Mix
  • Oxygenates Standard (MTBE, ETBE, TAME, TAEE, TBA)
  • GC/MS Tuning Standard
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