SS-EN-16109 › Fertilizers - Determination of complexed micro-nutrient ions in fertilizers - Identification of lignosulfonates
SS-EN-16109
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2011 EDITION
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CURRENT
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This document specifies two complementary methods (method A and method B) that allow lignosulfonates to be indentified as soluble complexing agents in fertilizers. NOTE Lignosulfonate, as a complexing agent, is a natural polymer produced as a by-product of the sulfite method for manufacturing paper from wood pulp in the paper industry. As a natural polymer, it presents a poorly defined and variable chemical structure. It is an intricate mixture of small- to moderate-sized polymeric compounds with sulfonate groups attached to the molecule, and diverse complexing capacity. The methods are applicable to EC fertilizers covered by Regulation (EC) No 2003/2003 [1].
To find similar documents by classification:
65.080 (Fertilizers Including soil conditioners and culture medium)
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Designation Name
SS-EN 16109:2011
Revision Level
2011 EDITION
Status
Current
Publication Date
Nov. 21, 2011
Language(s)
English
Page Count
28
International Equivalent
EN 16109:2011(IDT)