These include a sensor and reference electrode in a single electrode body. Hanna combination ion selective electrodes provide selectivity and include superior double junction reference into an electrode body. Combination solid-state electrodes have a built-in solid-state sensor and quick refill reference electrode.
Hanna′s liquid membrane and fluoride combination electrodes have replaceable module construction and the Hanna double junction refence stability.
Application
Determination of free nitrate in natural waters (fresh and sea), and in emulsified food and plant samples.
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