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      HI4004 Calcium Half-Cell Ion Selective Electrode, Polymer Membrane

      HI4004 Calcium Half-Cell Ion Selective Electrode, Polymer Membrane

      Everything about ISE-Electrodes
      Brand: Hanna Instruments
      $1,344.16
      • Including 21% Tax: $1,344.16
      • Excluding VAT: $1,110.87
       0 In stock: Delivery time on request
      The HI4004 calcium ion selective electrode is a potentiometric half-cell sensor... Show more
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      HI4004 Calcium Half-Cell Ion Selective Electrode, Polymer Membrane

      Product description

      The HI4004 calcium ion selective electrode is a potentiometric half-cell sensor housed within an epoxy body. The internal elements are isolated from the sample by an organic polymer sensing PVC membrane. This liquid membrane sensor requires a separate reference electrode to complete the measurement system.

      Hanna’s liquid membrane half-cell ISEs are designed for use with the HI5315 reference half-cell. The reference half-cell features a cone style junction. The skirted cone geometry of the sensor forms the liquid junction with the test solution at the tip of the junction cone, producing a highly stable reference potential and consistent flow rates of electrolyte into the solution. A simple press of the top portion of the ISE makes it easy to empty the electrolyte fill solution and replace when necessary.

      For the HI4004 to measure calcium accurately, it is important that the ionic strength of the standards and sample be adjusted to a high and constant value with the calcium ionic strength adjuster (ISA) solution. The ISA ensures that the activity coefficient is constant so the concentration of free calcium ions can be measured. Measuring all solutions with a constant ionic strength reduces the margin of error between measurements. The HI4004 calcium liquid membrane ISE can measure from 3µM (0.12 mg/L) to 1M (40,080 mg/L).

       

      Conversion Table for Ca2+

       

      Multiply

      moles/L (M) to ppm (mg/L)

      40080

      ppm (mg/L) to M (moles/L)

      2.49 x 10-5

      Tags:calcium (6)elektrode (33)halfcel (12)ISE (29)

      Specifications

      Article number
      HI4004

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      HI4004 Calcium Half-Cell Ion Selective Electrode, Polymer Membrane
      $ 1,344.16
      HI4004 Calcium Half-Cell Ion Selective Electrode, Polymer Membrane
      HI4004
      0 In stock: Delivery time on request
      Add to cart

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      HI4004 Calcium Half-Cell Ion Selective Electrode
      HI4004 Calcium Half-Cell Ion Selective Electrode
      $ 1,344.16