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ČSN P CEN/TS 17784-1 (654947)
Organo-mineral fertilizers - Identification of complexing agents - Part 1: Method using UV-Vis spectrophotometry and gravimetry
Translate name
STANDARD published on 1.12.2022
The information about the standard:
Designation standards: ČSN P CEN/TS 17784-1
Classification mark: 654947
Catalog number: 515824
Publication date standards: 1.12.2022
SKU: NS-1091154
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN P CEN/TS 17784-1 (654947):
This document specifies two methods required for the identification of lignosulfonate by UV-Vis spectrophotometry (method A) and gravimetry (method B) in organo-mineral 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
Preview of the standard ČSN P CEN/TS 17784-1 (654947)
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