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Mēslošanas līdzekļi. Aukstā ūdenī nešķīstoša slāpekļa un karstā ūdenī nešķīstoša slāpekļa noteikšana cietos urīnvielas formaldehīda un metilēnurīnvielas lēnas darbības mēslošanas līdzekļos un barības elementu polimēru šķīdības noteikšana fosfāta buferšķīdumā ar pH 7,5 100 °C temperatūrā

Fertilizers - Determination of perchlorate in mineral fertilizers by liquid chromatography and tandem mass spectrometry detection (LC-MS/MS)

Inorganic fertilizers - Determination of specific parameters in ammonium nitrate fertilizers of high nitrogen content

Inorganic fertilizers - Determination of specific inhibitors

Inorganic fertilizers - Determination of specific contaminants

Inorganic fertilizers - Determination of specific micronutrients

Inorganic fertilizers - Determination of specific parameters

Organic fertilizers, organo-mineral fertilizers, inorganic fertilizers and liming materials - Determination of the chloride content

Inorganic fertilizers - Determination of specific nutrients

Fertilizers and liming materials - Determination of the chloride content by potentiometric titration

Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content

Inorganic fertilizers - Determination of particle size of ammonium nitrate fertilizers of high nitrogen content