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depending on the substance
BS EN 10149-1 is a set of guidelines for the steel plants and manufacturers with specification
This system has several purposes
Footprint communications relating to organizations are also there in ISO 14026
Those responsible for the technical implementation and conformance to the specifications of UKLeaP
Surface active agents. Determination of polyethylene glycol content in nonionic ethoxylated surfactants. HPLC method Ingestion-build-83346 depending on the substance1 Scope This International Standard specifies a method for the determination of the polyethylene glycol (PEG) content in aromatic and aliphatic non ionic surface active agents of the type R (O C2H4) n OH; where n is the mean ethylene oxide (EO) value. It is applicable to all ethoxylated products soluble in methanol or methanol water mixture. This method applies to PEG concentrations as mass fraction greater than or equal to 0,1 %. This International