ICS:13.060.50

Showing 145–153 of 161 results

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  ISO 21675:2019 Water quality – Determination of perfluoroalkyl and polyfluoroalkyl substances (PFAS) in water – Method using solid phase extraction and liquid chromatography-tandem mass spectrometry (LC-MS/MS)

  CDN $352.00 Add to cart
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  ISO 21253:2019 Water quality – Multi-compound class methods – Part 1: Criteria for the identification of target compounds by gas and liquid chromatography and mass spectrometry

  CDN $263.00 Add to cart
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  ISO 21253:2019 Water quality – Multi-compound class methods – Part 2: Criteria for the quantitative determination of organic substances using a multi-compound class analytical method

  CDN $131.00 Add to cart
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  ISO 5814:2012 Water quality – Determination of dissolved oxygen – Electrochemical probe method

  CDN $195.00 Add to cart
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  ISO 11423:1997 Water quality – Determination of benzene and some derivatives – Part 1: Head-space gas chromatographic method

  CDN $195.00 Add to cart
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  ISO 11369:1997 Water quality – Determination of selected plant treatment agents – Method using high performance liquid chromatography with UV detection after solid-liquid extraction

  CDN $263.00 Add to cart
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  ISO 7890:1988 Water quality – Determination of nitrate – Part 3: Spectrometric method using sulfosalicylic acid

  CDN $86.00 Add to cart
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  ISO 9964:1993 Water quality – Determination of sodium and potassium – Part 1: Determination of sodium by atomic absorption spectrometry

  CDN $86.00 Add to cart
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  ISO 10260:1992 Water quality – Measurement of biochemical parameters – Spectrometric determination of the chlorophyll-a concentration

  CDN $86.00 Add to cart