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Standard and/or project under the direct responsibility of ISO/TC 134 Secretariat Stage ICS
ISO 3944:1980
Fertilizers — Determination of bulk density (loose)
95.99
ISO 3944:1992
Fertilizers — Determination of bulk density (loose)
90.93
ISO 3963:1977
Fertilizers — Sampling from a conveyor by stopping the belt
90.93
ISO 4176:1981
Fertilizers — Determination of nitrate nitrogen content — Nitron gravimetric method
95.99
ISO 5306:1983
Fertilizers — Presentation of sampling reports
90.93
ISO/TR 5307:1991
Solid fertilizers — Derivation of a sampling plan for the evaluation of a large delivery
90.93
ISO 5308:1992
Solid fertilizers — Method of checking the performance of mechanical devices for sampling of product moving in bulk
95.99
ISO 5310:1986
Fertilizers — Determination of potassium content — Titrimetric method
95.99
ISO 5311:1983
Fertilizers — Determination of bulk density (tapped)
95.99
ISO 5311:1992
Fertilizers — Determination of bulk density (tapped)
90.93
ISO 5313:1986
High nitrogen content, straight ammonium nitrate fertilizers — Determination or oil retention
90.93
ISO 5314:1981
Fertilizers — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
90.93
ISO 5315:1984
Fertilizers — Determination of total nitrogen content — Titrimetric method after distillation
90.93
ISO 5316:1977
Fertilizers — Extraction of water-soluble phosphates
95.99
ISO 5317:1983
Fertilizers — Determination of water-soluble potassium content — Preparation of the test solution
90.93
ISO 5318:1983
Fertilizers — Determination of potassium content — Potassium tetraphenylborate gravimetric method (Reference method)
95.99
ISO 6598:1985
Fertilizers — Determination of phosphorus content — Quinoline phosphomolybdate gravimetric method
90.93
ISO 7407:1983
Fertilizers — Determination of acid-soluble potassium content — Preparation of the test solution
90.93
ISO 7408:1983
Fertilizers — Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide — Titrimetric method
90.93
ISO 7409:1984
Fertilizers — Marking — Presentation and declarations
95.99
ISO 7409:2018
Fertilizers — Marking — Presentation and declarations
60.60
ISO 7410:1983
Fertilizers and soil conditioners — Final samples — Practical arrangements
90.93
ISO 7497:1984
Fertilizers — Extraction of phosphates soluble in mineral acids
90.93
ISO/TR 7553:1987
Fertilizers — Sampling — Minimum mass of increment to be taken to be representative of the total sampling unit
60.60
ISO 7742:1988
Solid fertilizers — Reduction of samples
90.93
ISO 7837:1983
Fertilizers — Determination of bulk density (loose) of fine-grained fertilizers
95.99
ISO 7837:1992
Fertilizers — Determination of bulk density (loose) of fine-grained fertilizers
90.93
ISO 7851:1983
Fertilizers and soil conditioners — Classification
90.92
ISO/AWI 7851
Fertilizers and soil conditioners — Classification
20.00
ISO 8157:1984
Fertilizers and soil conditioners — Vocabulary
95.99
ISO 8157:2015
Fertilizers and soil conditioners — Vocabulary
60.60
ISO 8189:1992
Solid fertilizers — Determination of moisture content — Gravimetric method by drying under reduced pressure
95.99
ISO 8190:1992
Solid fertilizers — Determination of moisture content — Gravimetric method by drying at (105 plus or minus 2) degrees C
95.99
ISO 8358:1991
Solid fertilizers — Preparation of samples for chemical and physical analysis
90.93
ISO 8397:1986
Solid fertilizers and soil conditioners — Test sieving
95.99
ISO 8397:1988
Solid fertilizers and soil conditioners — Test sieving
90.93
ISO 8398:1989
Solid fertilizers — Measurement of static angle of repose
90.93
ISO 8603:1993
Solid fertilizers — Determination of urea nitrogen content — Gravimetric method using xanthydrol
95.99
ISO 8633:1992
Solid fertilizers — Simple sampling method for small lots
90.93
ISO 8634:1991
Solid fertilizers — Sampling plan for the evaluation of a large delivery
90.93
ISO 10084:1992
Solid fertilizers — Determination of mineral-acid-soluble sulfate content — Gravimetric method
90.93
ISO 10248:1996
Fluid fertilizers — De-aeration of suspension samples by film disentrainment
90.93
ISO 10249:1996
Fluid fertilizers — Preliminary visual examination and preparation of samples for physical testing
90.93
ISO 14820-1:2016
Fertilizers and liming materials — Sampling and sample preparation — Part 1: Sampling
60.60
ISO 14820-2:2016
Fertilizers and liming materials — Sampling and sample preparation — Part 2: Sample preparation
60.60
ISO/DIS 14820-3
Fertilizers and liming materials — Sampling and sample preparation — Part 3: Sampling of static
40.99
ISO 15604:2016
Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
60.60
ISO 15958:2019
Fertilizers — Extraction of water soluble phosphorus
60.60
ISO 15959:2016
Fertilizers — Determination of extracted phosphorus
60.60
ISO 17318:2015
Fertilizers and soil conditioners — Determination of arsenic, cadmium, chromium, lead and mercury contents
60.60
ISO 17319:2015
Fertilizers and soil conditioners — Determination of water-soluble potassium content — Potassium tetraphenylborate gravimetric method
60.60
ISO 17322:2015
Fertilizers and soil conditioners — Analytical methods for Sulfur Coated Urea (SCU)
60.60
ISO 17323:2015
Fertilizers and soil conditioners — Sulfur Coated Urea (SCU) — General requirements
60.60
ISO 18642:2016
Fertilizer and soil conditioners — Fertilizer grade urea — General requirements
60.60
ISO 18643:2016
Fertilizers and soil conditioners — Determination of biuret content of urea-based fertilizers — HPLC method
60.60
ISO 18644:2016
Fertilizers and soil conditioners — Controlled-release fertilizer — General requirements
60.60
ISO 18645:2016
Fertilizers and soil conditioners — Water soluble fertilizer — General requirements
60.60
ISO 19670:2017
Fertilizers and soil conditioners — Solid urea aldehyde slow release fertilizer — General requirements
60.60
ISO/DIS 19745
Fertilizers and soil conditioners — Determination of crude (free) water content of ammoniated phosphate products — DAP, MAP — by gravimetric vacuum oven at 50 °C
40.98
ISO 19746:2017
Determination of urea content in urea-based fertilizers by high performance liquid chromatography (HPLC)
60.60
ISO/AWI 19747
Fertilizers and soil conditioners — Determination of monosilicic acid concentrations in nonliquid fertilizer materials
20.00
ISO/DIS 19747
Fertilizers and soil conditioners — Determination of monosilicic acid concentrations in nonliquid fertilizer materials
40.98
ISO 19822:2018
Fertilizers and soil conditioners — Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials
60.60
ISO/CD 20620
Fertilizers and soil conditioners — Determination of total nitrogen by combustion
30.98
ISO 20702:2017
Fertilizers and soil conditioners — Determination of microamounts of inorganic anions in fertilizers by ion chromatography
60.60
ISO/CD 20917
Determination of Available Phosphorous and Soluble Potassium Extracted with Neutral Ammonium Citrate and Quantified by ICP-OES
30.99
ISO/CD 20974
Determination of Secondary Nutrients and Trace Metals in Fertilizers by mixed acid digestion and quantitation by ICP-OES
30.98
ISO 20977:2018
Liming materials — Determination of size distribution by dry and wet sieving
60.60
ISO/DIS 20978
Liming material — Determination of neutralizing value — Titrimetric methods
40.99
ISO 21263:2017
Slow-release fertilizers — Determination of the release of the nutrients — Method for coated fertilizers
60.60
ISO/DIS 22018
Fertilizers, soil conditioners and beneficial substances — Determination of available phosphorus content in inorganic fertilizers — EDTA extraction method
40.99
ISO/DIS 22145
Fertilizers and soil conditioners—Mineral soil amendments — Determination of total Calcium and Magnesium content
40.00
ISO 22146:2018
Carbonate liming materials — Determination of reactivity — Automatic titration method with citric acid
60.60
ISO/DIS 22862
Fertilizers and soil conditioners — Compound fertilizer — General requirements
40.00
ISO/CD 22887
Determination of Total Sulfur by Combustion
30.99
ISO/DIS 23381
Determination of Salt Out (Crystallization) Temperature of Liquid Fertilizers
40.00
ISO 25475:2016
Fertilizers — Determination of ammoniacal nitrogen
60.60
ISO 25705:2016
Fertilizers — Determination of urea condensates using high-performance liquid chromatography (HPLC) — Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
60.60
ISO/DIS 25749
Fertilizers — Determination of sulfates content using three different methods
40.99

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