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Fertilizers — Determination of bulk density (tapped)
90.20 Standard under periodical review
High nitrogen content, straight ammonium nitrate fertilizers — Determination or oil retention
90.20 Standard under periodical review
Fertilizers — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
90.92 Standard to be revised
Fertilizers — Determination of total nitrogen content — Titrimetric method after distillation
90.93 Standard confirmed
Fertilizers — Determination of water-soluble potassium content — Preparation of the test solution
90.93 Standard confirmed
Fertilizers and soil conditioners — Liquid methylene-urea slow release fertilizers — General requirements
60.60 Standard published
Fertilizers — Determination of phosphorus content — Quinoline phosphomolybdate gravimetric method
90.93 Standard confirmed
Fertilizers, soil conditioners and beneficial substances — Simultaneous determination of N-(n-Butyl) thiophosphoric triamide and dicyandiamide by high-performance liquid chromatography
60.60 Standard published
Fertilizers — Determination of acid-soluble potassium content — Preparation of the test solution
90.93 Standard confirmed
Fertilizers — Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide — Titrimetric method
90.93 Standard confirmed
Fertilizers and soil conditioners — Final samples — Practical arrangements
90.93 Standard confirmed
Fertilizers — Extraction of phosphates soluble in mineral acids
90.93 Standard confirmed
Fertilizers — Determination of bulk density (loose) of fine-grained fertilizers
90.93 Standard confirmed
Fertilizers, soil conditioners and beneficial substances — Classification
60.60 Standard published