Color measurement of powdered fertilizers with the ColorFlex EZ

Color measurement-from-flourIn the fertilizer industry, whether powdered natural fertilizers, mineral fertilizers or animal meal, the color of a product is usually directly related to its quality.

HunterLab offers suitable measurement solutions to precisely determine the color quality of fertilizers and fertilizers in production. In particular, it is possible to determine the degree of whiteness WI according to ASTM E313 when using white products such as calcium carbonate or magnesium sulphate.

Color measurement of flour powderThe task

Precise colour measurement of powdered fertilizers with optional determination of the degree of whiteness WI E313.

The solution

HunterLab recommends the ColorFlex EZ spectrophotometer and the use of a 64 mm optical glass cuvette for the color measurement of powder samples. By measuring the sample from below through the glass base, you have a perfectly flat and homogeneous measuring surface. The cuvette aperture of the ColorFlex EZ also ensures that the cuvette always sits reproducibly and centrally above the aperture. The degree of whiteness WI E313 can be displayed directly on the screen.

The measurement is very simple:

  • Replace the standard aperture once with the cuvette aperture and standardize the device with it
  • Fill the product into the cuvette
  • Place the cuvette on the aperture
  • Trigger measurement at the touch of a button
  • Read off values

The blog about color measurement

All about color measurement

The HunterLab Europe company blog keeps you up to date on applications and measurement methods, product presentations and company news. Our spectrophotometry experts regularly give you an overview of the colorful and diverse world of color measurement.
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