Fertilizers and soil conditioners — Solid urea aldehyde slow release fertilizer — General requirements
€77.00
Determination of urea content in urea-based fertilizers by high performance liquid chromatography (HPLC)
Fertilizers and soil conditioners — Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials
€115.00
Fertilizers and liming materials — Sampling and sample preparation
€208.00
Fertilizers — Determination of ammoniacal nitrogen
Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
€155.00
Fertilizers — Determination of urea condensates using high-performance liquid chromatography (HPLC) — Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
Fertilizers — Extraction of water soluble phosphorus
€51.00
Fertilizers — Determination of extracted phosphorus
Fertilizers and soil conditioners — Determination of microamounts of inorganic anions in fertilizers by ion chromatography
Fertilizers, soil conditioners and beneficial substances — Determination of ammonium citrate, disodium-EDTA soluble phosphorus and potassium by ICP-OES in inorganic fertilizers
Liming materials — Determination of size distribution by dry and wet sieving
Liming material — Determination of neutralizing value — Titrimetric methods
Slow-release fertilizers — Determination of the release of the nutrients — Method for coated fertilizers
