Free quotations · Genuine products · Delivery across Thailand and worldwide
Free quotations · Genuine products · Delivery across Thailand and worldwide
HANNA instruments offers a full range of solutions for ISE electrodes . ISE standards are required for the direct ISE and incremental measuring method . They are available for a variety of ISE with certificate of analysis parameters .
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HI4004-00 is an ionic strength adjuster (ISA) solution for use with calcium 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 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.
Hanna
HI8087L is a premium quality 0.23 g/L Na+ (sodium) standard solution produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers.
Hanna
H8031L is a premium quality 1,413 µS/cm conductivity solution standardized with a conductivity meter that has been calibrated with potassium chloride NIST 2202 SRM (Standard Reference Material) in deionized water for analytical use in accordance with ISO 3696/BS3978.
Hanna
The HI801 iris spectrophotometer is designed to work with five different cuvettes: 22 mm round 16 mm round 13 mm vial 10 mm square 50 mm rectangular The meter is supplied with three cuvette adapters: adapter for 16 mm cuvette adapter for 10 mm square cuvette adapter for 13 mm vial Note: The 22 mm round and 50 mm…
Hanna
H8035L is a premium quality 111,800 µS/cm conductivity solution standardized with a conductivity meter that has been calibrated with potassium chloride NIST 2202 SRM (Standard Reference Material) in deionized water for analytical use in accordance with ISO 3696/BS3978.
