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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/AWI 7409
Fertilizers -- Marking -- Presentation and declarations
20.00 65.080ISO/TC 134
ISO/DIS 14820-1
Fertilizers and liming materials -- Sampling and sample preparation -- Part 1: Sampling
40.60 65.080ISO/TC 134
ISO/DIS 14820-2
Fertilizers and liming materials -- Sampling and sample preparation -- Part 2: Sample preparation
40.60 65.080ISO/TC 134
ISO/DIS 15604
Fertilizers -- Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
40.60 65.080ISO/TC 134
ISO/DIS 15958
Fertilizers -- Extraction of water soluble phosphorus
40.60 65.080ISO/TC 134
ISO/DIS 15959
Fertilizers -- Determination of extracted phosphorus
40.60 65.080ISO/TC 134
ISO/DIS 15960
Fertilizers -- Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates
40.60 65.080ISO/TC 134
ISO/DIS 18642
Fertilizer and soil conditioners -- Fertilizer grade urea -- General requirements
40.60 65.080ISO/TC 134
ISO/DIS 18643
Fertilizers and soil conditioners -- Determination of biuret content of urea-based fertilizers -- HPLC method
40.60 65.080ISO/TC 134
ISO/DIS 18644
Fertilizers and soil conditioners -- Controlled release fertilizer -- General requirements
40.60 65.080ISO/TC 134
ISO/DIS 18645
Fertilizers and soil conditioners -- Water soluble compound fertilizer -- General requirements
40.60 65.080ISO/TC 134
ISO/CD 19670
Fertilizers and soil conditioners -- Urea aldehyde slow release fertilizer -- General requirements
30.20 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
30.20 65.080ISO/TC 134
ISO/CD 19746
Liquid Chromatographic Determination of Urea in Water-Soluble Urea-Formaldehyde Fertilizer Products and in Aqueous Urea Solutions
30.20 65.080ISO/TC 134
ISO/CD 19747
Determination of Soluble Silicon Concentrations in Nonliquid Fertilizer Materials
30.20 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
30.20 65.080ISO/TC 134
ISO/AWI 20620
Fertilizers and soil conditioners -- Determination of total nitrogen by combustion
20.00ISO/TC 134
ISO/DIS 25475
Fertilizers -- Determination of ammoniacal nitrogen
40.60 65.080ISO/TC 134
ISO/DIS 25705
Fertilizers -- Determination of urea condensates using high-performance liquid chromatography (HPLC) -- Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
40.60 65.080ISO/TC 134
ISO/DIS 25749
Fertilizers -- Determination of sulfates content using three different methods
40.60 65.080ISO/TC 134