ISO 18645:2016
Fertilizers and soil conditioners - Water soluble fertilizer - General requirements

Standard No.

ISO 18645:2016

Release Date

2016

Published By

International Organization for Standardization (ISO)

Latest

ISO 18645:2016

Scope

This International Standard specifies the requirements for testing methods, sampling and preparation of test sample, marking and labelling, as well as package, transport, and storage of water soluble fertilizers. This International Standard is applicable to water soluble fertilizers which are completely soluble in water and are suitable for fertigation and sprinkling irrigation, as well as for foliar application (foliar feeding).

ISO 18645:2016 Referenced Document

• EN 13366:2001 Fertilizers - Treatment with a cation exchange resin for the determination of the chelated micro-nutrient content and of the chelated fraction of micro-nutrients
• EN 13368-1:2014 Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 1: Determination of EDTA@ HEEDTA and DTPA by ion chromatography
• EN 13368-2:2012 Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 2: Determination of Fe chelated by o,o-EDDHA, o,o-EDDHMA and HBED by ion pair chromatography
• EN 15451:2008 Fertilizers - Determination of chelating agents - Determination of iron chelated by EDDHSA by ion pair chromatography [Superseded: CEN CEN/TS 15451]
• EN 15452:2008 Fertilizers - Determination of chelating agents - Determination of iron chelated by o,p-EDDHA by reversed phase HPLC [Superseded: CEN CEN/TS 15452]
• EN 15749:2009 Fertilizers - Determination of sulfates content using three different methods*， 2024-04-20 Update
• EN 15950:2010 Fertilizers - Determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid, IDHA) using high-performance liquid chromatography (HPLC)*， 2024-04-20 Update
• EN 15961:2011 Fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur in the form of sulfates*， 2024-04-20 Update
• EN 15962:2011 Fertilizers - Determination of the complexed micro-nutrient content and of the complexed fraction of micro-nutrients
• EN 16109:2011 Fertilizers - Determination of complexed micro-nutrient ions in fertilizers - Identification of lignosulfonates*， 2024-04-20 Update
• EN 16195:2012 Fertilizers - Determination of chlorides in the absence of organic material*， 2024-04-20 Update
• EN 16198:2012 Fertilizers - Determination of magnesium by complexometry*， 2024-04-20 Update
• EN 16847:2016 Fertilizers - Determination of complexing agents in fertilizers - Identification of heptagluconic acid by chromatography
• ISO 3696:1987 Water for analytical laboratory use; Specification and test methods
• ISO 5315:1984 Fertilizers; Determination of total nitrogen content; Titrimetric method after distillation
• ISO 6353-1:1982 Reagents for chemical analysis; Part 1 : General test methods
• ISO 659 Oilseeds - Determination of oil content (Reference method)

ISO 18645:2016 history

• 2016 ISO 18645:2016 Fertilizers and soil conditioners - Water soluble fertilizer - General requirements