Committee:
GT 1 Soil improvers and growing media
GT 2 Agricultura ecológica
GT 3 Plant biostimulants and agricultural micro-organisms
ISO/TC 134 Fertilizers, soil conditioners and beneficial substances
CEN/TC 223 Soil improvers and growing media
CEN/TC 260 Fertilizers and liming materials
CEN/TC 455 Plant Biostimulants
Standards developed by the committee: CTN 142: 379
Status: VIGENTE / 2024-03-20
Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
Status: VIGENTE / 2024-03-13
Liming materials - Determination of the calcium content and magnesium content - Complexometric method
Status: VIGENTE / 2024-01-17
Liming materials - Determination of physical and chemical properties and specific contaminants
Status: VIGENTE / 2023-11-03
Fertilizers - Determination of boron, cobalt, copper, iron, manganese, molybdenum and zinc using ICP-AES
Fertilizers - Determination of cobalt, copper, iron, manganese and zinc using flame atomic absorption spectrometry (FAAS)
Fertilizers - Determination of dicyandiamide - Method using high-performance liquid chromatography (HPLC)
Fertilizers - Extraction of water soluble micro-nutrients in fertilizers and removal of organic compounds from fertilizer extracts
Fertilizers - Extraction of total micro-nutrients in fertilizers using aqua regia
Status: VIGENTE / 2023-10-11
Soil improvers and growing media - Determination of a quantity
Soil improvers and growing media - Determination of quantity for materials with particle size greater than 60 mm
Status: VIGENTE / 2023-06-20
Liming materials - Denominations, specifications and labelling
Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 2: Determination of Fe chelated by [o,o] EDDHA, [o,o] EDDHMA and HBED, or the amount of chelating agents, by ion pair chromatography
Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 3: Determination of [S,S]-EDDS by ion pair chromatography
Fertilizers - Determination of the fineness of grinding of soft natural phosphates
Fertilizers - Determination of complexed micro-nutrient ions in fertilizers - Identification of lignosulfonates
Fertilizers - Determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)
Fertilizers - Extraction of water soluble sulfur where the sulfur is in various forms
Fertilizers - Extraction of total sulfur present in various forms
Fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur in the form of sulfates
Fertilizers - Extraction of phosphorus soluble in mineral acids
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