YSI 1004 Ammonium (ISE) Sensor

Add the YSI 1004 ammonium ISE sensor to your Pro Series multi-parameter instrument to complement your sampling regimen.

Features

  • Freshwater use only
  • Best for sampling applications
  • Field-replaceable
List Price $375.00
Your Price $356.25
In Stock
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ImagePart#Product DescriptionPriceStockOrder
YSI 1004 Ammonium (ISE) Sensor605104 1004 ammonium (ISE) sensor, Pro Series
$356.25
In Stock
ImagePart#Product DescriptionPriceStockOrder
YSI Ammonium Standards 003841 3841 ammonium standard, 1 mg/L, 500mL
$80.75
In Stock
YSI Ammonium Standards 003843 3843 ammonium standard, 100 mg/L, 500mL
$80.75
In Stock
The YSI 1004 ammonium ISE sensor employs a silver/silver chloride (Ag/AgCl) wire electrode in a custom filling solution. Nonactin membrane separates the internal solution from the sample medium and this membrane selectively interacts with ammonium ions.

When the probe is immersed in water, a potential is established across the membrane that depends on the relative amounts of ammonium in the sample and the internal filling solution. This potential is read relative to the reference electrode of the instrument pH probe. As for all ISEs, there is a linear relationship between the logarithm of the ammonium activity (or concentration in dilute solution) and the observed voltage. The Nernst equation describes this relationship.
  • 6-month warranty
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