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Determination of urea content in urea-based fertilizers by high performance liquid chromatography (HPLC)
90.93 Standard confirmed
Fertilizers and soil conditioners — Determination of monosilicic acid concentrations in nonliquid fertilizer materials
60.60 Standard published
Fertilizers and soil conditioners — Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials
90.92 Standard to be revised
Fertilizers and soil conditioners — Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials — Amendment 1
30.60 Close of voting/ comment period
Fertilizers and soil conditioners — Determination of total nitrogen by combustion
60.60 Standard published
Fertilizers and soil conditioners — Determination of microamounts of inorganic anions in fertilizers by ion chromatography
90.60 Close of review
Liming materials — Determination of size distribution by dry and wet sieving
90.93 Standard confirmed
Liming material — Determination of neutralizing value — Titrimetric methods
60.60 Standard published
Slow-release fertilizers — Determination of the release of the nutrients — Method for coated fertilizers
90.60 Close of review
Fertilizers, soil conditioners and beneficial substances — Determination of EDTA soluble phosphorus content in inorganic fertilizers
60.60 Standard published
Fertilizers and soil conditioners — Mineral soil amendments — Determination of total calcium and magnesium content
60.60 Standard published
Carbonate liming materials — Determination of reactivity — Automatic titration method with citric acid
90.93 Standard confirmed
Fertilizers and soil conditioners — Compound fertilizer — General requirements
60.60 Standard published
Determination of total sulfur in fertilizers by high temperature combustion
60.60 Standard published
Determination of salt out (crystallization) temperature of liquid fertilizers
60.60 Standard published
Fertilizers — Determination of urea condensates using high-performance liquid chromatography (HPLC) — Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
90.93 Standard confirmed
Fertilizers — Determination of bulk density (loose)
90.20 Standard under periodical review