Ionic Strength Adjuster (ISA) for Nitrate ISEs

HI4013-00

Ionic Strength Adjuster (ISA) for Nitrate ISEs

$93.00

HI4013-00 is a 500 mL bottle of ionic strength adjuster (ISA) solution for use with nitrate ion selective electrodes. Hanna ISA solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna's line of solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.

Required for nitrate measurements
Air tight bottle with tamper-proof seal
Clearly marked lot number and expiration date

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HI4013-00 is an ionic strength adjuster (ISA) solution for use with nitrate ion selective electrodes (ISEs). Hanna ISA solutions are formulated to fix the ionic strength of a sample and standards so that they are both constant. Without addition of ISA, an ion selective electrode would measure ion activity; addition of ISA stabilizes the ionic strength and permits measurements as ion concentration. With some ISEs, the ISA solution is also used to adjust the solution’s pH or to remove any potential interferences from competing ions that are present.

Air tight bottle with tamper-proof seal

Ensures quality and freshness of solution

Each bottle marked with lot number and expiration date

Hanna ISE standard solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle

Importance of ISA*

Fixes a solution’s ion activity to be constant so concentration can be determined
Adjusts the pH of a solution required for some ISEs
Complexes interfering ions in a sample to allow measurement of free ions of interest

* If an ISA solution is used with a sample, then it must be used with the calibration standards in equal proportions.

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Ionic Strength Adjuster (ISA) for Nitrate ISEs

Air tight bottle with tamper-proof seal

Each bottle marked with lot number and expiration date

Importance of ISA*

Don't Forget!

Ionic Strength Adjuster (ISA) for Nitrate ISEs - HI4013-00 Reviews