BS PD CEN/TS 17784-1:2022

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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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.

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Published: 07/20/2022 ISBN(s): 9780539179125 Number of Pages: 18 File Size: 1 file , 870 KB Product Code(s): 30438294, 30438294, 30438294 Note: This product is unavailable in Ukraine, Russia, Belarus

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