65.080 Fertilizers

Determination of total sulfur in fertilizers by high temperature combustion

Determination of salt out (crystallization) temperature of liquid fertilizers

Fertilizers Determination of ammoniacal nitrogen

Fertilizers Determination of urea condensates using high-performance liquid chromatography (HPLC) Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)