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Chemteq Inc.
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  5. Custom Colorimetric Indicators

Custom Colorimetric Indicators

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We manufacture custom colorimetric indicators for wide variety of toxic gases and vapors in air. These indicators are most suited for OSHA Time Weight Average (TWA) measurements and Short Term Exposure Limit (STEL) measurements. The indicators are uniformly coated for reproducibility and accuracy.

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Features:

  • Irreversible color change
  • Real-time and direct-read
  • Detection limit at or below OSHA permissible exposure limits
  • Accurate and reproducible (overall accuracy, better than ±25% at the 95% confidence level)
  • Selective to target chemical
  • Stabilized for longer service life and shelf life