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ISO 11402-2004 Phenolic, amino and condensation resins - Determination of free-formaldehyde content

Standard Number:  ISO 11402-2004
Title:  Phenolic, amino and condensation resins - Determination of free-formaldehyde content
Language:  English
Publication Date:  2004/3/1
Execute Date:  2004/3/3
Adopted International Standard:  DIN EN ISO 11402-2005 phenolic, amino and condensation resins - determination of free-formaldehyde content (iso 11402:2004) Phenolic, amino and condensation resins - Determination of free-formaldehyde content,IDT;DIN EN ISO 11402-2004,IDT;BS EN ISO 11402-2005 phenolic, amino and condensation resins - determination of free-formaldehyde content (iso 11402:2004) phenol, amin und kondensationsharze. bestimmung des gehalts an freiem formaldehyd phenolic, amino and condensation resins - determination of free-formaldehyde content resines phenoliques, aminiques et de condensation. dosage du formaldehyde libre supersed,IDT;EN ISO 11402-2005 phenolic, amino and condensation resins - determination of free-formaldehyde content (iso 11402:2004),IDT;prEN ISO 11402-2004,IDT;EN ISO 11402/AC-2006,IDT;NF T51-405-2005 phenolic, amino and condensation resins - determination of free-formaldehyde content.,IDT;T51-405PR,IDT;SN EN ISO 11402-2005 phenolic, amino and condensation resins - determination of free-formaldehyde content (iso 11402:2004),IDT;SN EN ISO 11402/AC-2006,IDT;OENORM EN ISO 11402-
Status:  Current
International Classification for Standards (ICS)RUBBER AND PLASTIC INDUSTRIES>>Plastics>>Thermosetting materials
Publisher:  International Organization for Standardization (ISO)
Price:  
Number of Pages:12P;A4   

Description:iso 11402:2004 specifies three methods for determining the free-formaldehyde content in the following:phenolic resins, by potentiometric titration in aqueous or organic solution (hydroxylamine hydrochloride procedure). the method is applicable to resins with free-formaldehyde contents up to and including 15 % by mass. for free-formaldehyde contents between 15 % by mass and 30 % by mass, it may be necessary to adjust the concentrations of the standard volumetric solutions used accordingly.amino resins and furan resins (sulfite procedure). the method is applicable to resins resulting from the polycondensation of urea and melamine with formaldehyde and to furan resins resulting from the polycondensation of furfuryl alcohol with formaldehyde without further modification.condensation resins (kcn procedure), including urea resins, furan resins, melamine resins and phenolic resins, as well as combinations and modifications of these resins.the purpose of this international standard is to establish recognized and useful determination procedures (for instance in order to check whether official regulations on the handling of hazardous workplace materials are observed).the free-formaldehyde content determined in formaldehyde condensation resins using this international standard represents the actual content at the time of the determination. the value bears no quantitative relationship to the free-formaldehyde content during or after processing.  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  609KB
Tile in English:  Phenolic, amino and condensation resins - Determination of free-formaldehyde content

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