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ISO/TC 134  - Fertilizers and soil conditioners

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Standards and projects under the direct responsibility of ISO/TC 134 Secretariat and its SCs

Standard and/or projectStageICSTC
ISO/CD 7409
Fertilizers -- Marking -- Presentation and declarations
30.99 65.080ISO/TC 134
ISO/PRF 14820-1
Fertilizers and liming materials -- Sampling and sample preparation -- Part 1: Sampling
50.00 65.080ISO/TC 134
ISO/PRF 14820-2
Fertilizers and liming materials -- Sampling and sample preparation -- Part 2: Sample preparation
50.00 65.080ISO/TC 134
ISO/FDIS 15604
Fertilizers -- Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
50.20 65.080ISO/TC 134
ISO/DIS 15958
Fertilizers -- Extraction of water soluble phosphorus
40.60 65.080ISO/TC 134
ISO/FDIS 15959
Fertilizers -- Determination of extracted phosphorus
50.20 65.080ISO/TC 134
ISO/FDIS 15960
Fertilizers -- Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates
50.20 65.080ISO/TC 134
ISO/FDIS 18642
Fertilizer and soil conditioners -- Fertilizer grade urea -- General requirements
50.00 65.080ISO/TC 134
ISO 18643
Fertilizers and soil conditioners -- Determination of biuret content of urea-based fertilizers -- HPLC method
60.00 65.080ISO/TC 134
ISO 18644
Fertilizers and soil conditioners -- Controlled-release fertilizer -- General requirements
60.00 65.080ISO/TC 134
ISO 18645
Fertilizers and soil conditioners -- Water soluble compound fertilizer -- General requirements
60.00 65.080ISO/TC 134
ISO/DIS 19670
Fertilizers and soil conditioners -- Solid urea aldehyde slow release fertilizer -- General requirements
40.20 65.080ISO/TC 134
ISO/CD 19745
Determination of Crude (Free) water content of Ammoniated Phosphate products -- DAP, MAP -- by gravimetric vacuum oven at 50 °C
30.60 65.080ISO/TC 134
ISO/DIS 19746
Determination of urea content in urea-based fertilizers by high performance liquid chromatography (HPLC)
40.20 65.080ISO/TC 134
ISO/CD 19747
Determination of Soluble Silicon Concentrations in Nonliquid Fertilizer Materials
30.60 65.080ISO/TC 134
ISO/CD 19822
Determination of Humic and Fulvic Acids in Commercial Solid and Liquid Humic Products using Alkaline Extraction, Hydrophobic Adsorbent Resin and Gravimetric Determination
30.60 65.080ISO/TC 134
ISO/CD 20620
Fertilizers and soil conditioners -- Determination of total nitrogen by combustion
30.20 65.080ISO/TC 134
ISO/AWI 20702
Determination of microamount of inorganic anions in fertilizers by ion chromatography
20.00ISO/TC 134
ISO/AWI 20917
Determination of Available Phosphorous and Soluble Potassium Extracted with Neutral Ammonium Citrate and Quantified by ICP-OES
20.00ISO/TC 134
ISO/AWI 20974
Determination of Secondary Nutrients and Trace Metals in Fertilizers by mixed acid digestion and quantitation by ICP-OES
20.00ISO/TC 134
ISO/AWI 20977
Determination of size distribution by dry and wet sieving
20.00ISO/TC 134
ISO/AWI 20978
Neutralising value mesurement (or Determination)
20.00ISO/TC 134
ISO/CD 21263
Determination of release rate of nutrients
30.99 65.080ISO/TC 134
ISO/FDIS 25475
Fertilizers -- Determination of ammoniacal nitrogen
50.20 65.080ISO/TC 134
ISO/FDIS 25705
Fertilizers -- Determination of urea condensates using high-performance liquid chromatography (HPLC) -- Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
50.20 65.080ISO/TC 134
ISO/DIS 25749
Fertilizers -- Determination of sulfates content using three different methods
40.60 65.080ISO/TC 134