【国际标准】 Solid fertilizers — Preparation of samples for chemical and physical analysis
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暂无
标准号:
ISO 8358:1991 EN
标准名称:
Solid fertilizers — Preparation of samples for chemical and physical analysis
英文名称:
Solid fertilizers — Preparation of samples for chemical and physical analysis标准状态:
废止-
发布日期:
1991-05-09 -
实施日期:
出版语种:
EN
- 推荐标准
- ISO 3944:1992 EN b028b72f Fertilizers — Determination of bulk density (loose)
- ISO 3963:1977 EN 39509abe Fertilizers — Sampling from a conveyor by stopping the belt
- ISO 5306:1983 EN 529ba700 Fertilizers — Presentation of sampling reports
- ISO 5315:1984 EN 973bf665 Fertilizers — Determination of total nitrogen content — Titrimetric method after distillation
- ISO 7407:1983 EN 1d6a2b71 Fertilizers — Determination of acid-soluble potassium content — Preparation of the test solution
- ISO 7409:2018 EN b16cb5d2 Fertilizers — Marking — Presentation and declarations
- ISO 7497:1984 EN 938c2d61 Fertilizers — Extraction of phosphates soluble in mineral acids
- ISO 7742:1988 EN 634a7f95 Solid fertilizers — Reduction of samples
- ISO 8398:1989 EN 217131dc Solid fertilizers — Measurement of static angle of repose
- ISO/TR 5307:1991 EN 33ed218d Solid fertilizers — Derivation of a sampling plan for the evaluation of a large delivery
- ISO/TR 7553:1987 EN 02c33e0a Fertilizers — Sampling — Minimum mass of increment to be taken to be representative of the total sampling unit
- ISO 20620:2021 EN 15f254a4 Fertilizers and soil conditioners — Determination of total nitrogen by combustion
- ISO 21263:2017 EN b6397808 Slow-release fertilizers — Determination of the release of the nutrients — Method for coated fertilizers
- ISO 22018:2021 EN 9a0dda1c Fertilizers, soil conditioners and beneficial substances — Determination of EDTA soluble phosphorus content in inorganic fertilizers
- ISO 22145:2021 EN f2436b91 Fertilizers and soil conditioners — Mineral soil amendments — Determination of total calcium and magnesium content
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