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Solid fertilizers — Determination of mineral-acid-soluble sulfate content — Gravimetric method
90.60 Close of review
Fluid fertilizers — De-aeration of suspension samples by film disentrainment
90.93 Standard confirmed
Fluid fertilizers — Preliminary visual examination and preparation of samples for physical testing
90.60 Close of review
Fertilizers and liming materials — Sampling and sample preparation — Part 1: Sampling
90.93 Standard confirmed
Fertilizers and liming materials — Sampling and sample preparation — Part 2: Sample preparation
90.93 Standard confirmed
Fertilizers and liming materials — Sampling and sample preparation — Part 3: Sampling of static heaps
60.60 Standard published
Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
90.93 Standard confirmed
Fertilizers — Extraction of water soluble phosphorus
90.20 Standard under periodical review
Fertilizers and soil conditioners — Determination of arsenic, cadmium, chromium, lead and mercury contents
90.93 Standard confirmed
Fertilizers and soil conditioners — Determination of water-soluble potassium content — Potassium tetraphenylborate gravimetric method
90.93 Standard confirmed
Fertilizers and soil conditioners — Analytical methods for Sulfur Coated Urea (SCU)
90.93 Standard confirmed
Fertilizers and soil conditioners — Sulfur Coated Urea (SCU) — General requirements
90.93 Standard confirmed
Fertilizer and soil conditioners — Fertilizer grade urea — General requirements
90.93 Standard confirmed
Fertilizers and soil conditioners — Determination of biuret content of urea-based fertilizers — HPLC method
90.93 Standard confirmed
Fertilizers and soil conditioners — Controlled-release fertilizer — General requirements
90.93 Standard confirmed
Fertilizers and soil conditioners — Water soluble fertilizer — General requirements
90.93 Standard confirmed
Fertilizers and soil conditioners — Solid urea aldehyde slow release fertilizer — General requirements
90.93 Standard confirmed
