Colorimetry is “the science and technology used to quantify and describe physically the human color perception.” It is similar to spectrophotometry, but is distinguished by its interest in reducing spectra to the physical correlates of color perception, most often the CIE 1931 XYZ color space tristimulus values and related quantities

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Monitoring water and process water with Titration and Colorimetry
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Monitoring water and process water

On line analyser for the automatic monitoring of water quality and process water.
duasulf h2s analyser
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NOVASULF400 series colorimetric analyser for Total Sulphur and H2S

The metered sample is mixed with a continuous flowing stream of hydrogen.
hg300
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NOVASULF™ HG 300 series H2S analsyer

Duty: To measure the concentration of H2S in a process gas stream.
duasulf h2s analyser
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NOVASULF™ HG100 H2S analyser

Duty: To measure the concentration of H2S in a process gas stream.
hg400 h2s analyser
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NOVASULF™ HG400 H2S analyser

Duty: To measure the concentration of H2S in a process gas stream.
hg400 h2s analyser
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NOVASULF™ TG400 continuous H2S analyser

The metered sample is mixed with a continuous flowing stream of hydrogen.
watersulf
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WATERSULF™ series S2 analyser

The WATERSULF™Series analyser is dedicated to the measurement of dissolved sulphides in water up to pH 8.5.