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标准编号 标准名称 状态 发布日期
ISO 20978:2020 EN Liming material -- Determination of neutralizing value -- Titrimetric methods 现行 2020-05-15
ISO 15958:2019 EN Fertilizers -- Extraction of water soluble phosphorus 现行 2019-10-11
ISO 20977:2018 EN Liming materials - Determination of size distribution by dry and wet sieving 现行 2018-12-07
ISO 22146:2018 EN Carbonate liming materials - Determination of reactivity - Automatic titration method with citric acid 现行 2018-12-05
ISO 7851:1983 TRILINGUAL Fertilizers and soil conditioners — Classification 现行 暂无
ISO 17318 EN Fertilizers and soil conditioners - Determination of arsenic, cadmium, chromium, lead and mercury contents 现行 暂无
ISO 17319 EN Fertilizers and soil conditioners - Determination of water-soluble potassium content - Potassium tetraphenylborate gravimetric method 现行 暂无
ISO 17322 EN Fertilizers and soil conditioners - Analytical methods for Sulfur Coated Urea (SCU) 现行 暂无
ISO 17323 EN Fertilizers and soil conditioners - Sulfur Coated Urea (SCU) - General requirements 现行 暂无
ISO 3944:1992 EN Fertilizers — Determination of bulk density (loose) 现行 暂无
ISO 3963:1977 EN Fertilizers — Sampling from a conveyor by stopping the belt 现行 暂无
ISO 5306:1983 EN Fertilizers — Presentation of sampling reports 现行 暂无
ISO 5308:1992 EN Solid fertilizers — Method of checking the performance of mechanical devices for sampling of product moving in bulk 废止 暂无
ISO 5311:1992 EN Fertilizers — Determination of bulk density (tapped) 现行 暂无
ISO 5313:1986 EN High nitrogen content, straight ammonium nitrate fertilizers — Determination or oil retention 现行 暂无
ISO 5314:1981 EN Fertilizers — Determination of ammoniacal nitrogen content — Titrimetric method after distillation 现行 暂无
ISO 5315:1984 EN Fertilizers — Determination of total nitrogen content — Titrimetric method after distillation 现行 暂无
ISO 5316:1977 EN Fertilizers — Extraction of water-soluble phosphates 现行 暂无
ISO 5317:1983 EN Fertilizers — Determination of water-soluble potassium content — Preparation of the test solution 现行 暂无
ISO 6598:1985 EN Fertilizers — Determination of phosphorus content — Quinoline phosphomolybdate gravimetric method 现行 暂无
ISO 7407:1983 EN Fertilizers — Determination of acid-soluble potassium content — Preparation of the test solution 现行 暂无
ISO 7408:1983 EN Fertilizers — Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide — Titrimetric method 现行 暂无
ISO 7409:1984 EN Fertilizers — Marking — Presentation and declarations 被代替 暂无
ISO 7409:2018 EN Fertilizers - Marking - Presentation and declarations 现行 暂无
ISO 7410:1983 EN Fertilizers and soil conditioners — Final samples — Practical arrangements 现行 暂无
ISO 7497:1984 EN Fertilizers — Extraction of phosphates soluble in mineral acids 现行 暂无
ISO 7742:1988 EN Solid fertilizers — Reduction of samples 现行 暂无
ISO 7837:1992 EN Fertilizers — Determination of bulk density (loose) of fine-grained fertilizers 现行 暂无
ISO 8358:1991 EN Solid fertilizers — Preparation of samples for chemical and physical analysis 现行 暂无
ISO 8397:1988 EN Solid fertilizers and soil conditioners — Test sieving 现行 暂无
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