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BS PD CEN/TS 17784-1:2022

Organo-mineral fertilizers. Identification of complexing agents.-Method using UV-Vis spectrophotometry and gravimetry

standard by BSI Group , 07/20/2022

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Full Description

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.
 

Product Details

Published:
07/20/2022
ISBN(s):
9780539179125
Number of Pages:
18
File Size:
1 file , 870 KB
Product Code(s):
30438294, 30438294, 30438294
Note:
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