Metrohm enables fertilizer analysis

The solutions developed by precision tool manufacturers Metrohm allow fertilizers to be analyzed quickly and accurately with regard to their contents. Thermometric titration technology is used for this purpose.

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Generic image: flickr/Ed Wohlfahrt

The thermometric titration analysis method uses a highly sensitive thermometer as a sensor, explains Metrohm, which is based in the St.GallenBodenseeArea. The method can also be used to analyze nitrogen, phosphorous and potassium (NPK) fertilizers, as outlined in a press release issued by Metrohm. The method allows the sulphate, ammonium, potassium and phosphate content to be measured.

Metrohm explains that speed represents the major advantage of thermometric titration in comparison with other analysis methods such as gravimetric analysis or flame photometry measurements. After all, thermometric titration does not require samples to be prepared. In this context, sulphates can be analyzed within the space of three minutes, for example.

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