Norm

ISO 2227:1972 en

Formaldehyde solutions for industrial use - Determination of formaldehyde content

31,57

Over deze norm

Status Definitief
Aantal pagina's 2
Gepubliceerd op 01-12-1972
Taal Engels
The specified method is applicable to HCHO contents between 25 5 and 45 %. The field of application may be extended by siutably modifying the mass of the test portion. The principle consists in the reaction of the test solution with a neutral sodium sulphite solution, and acidimetric titration of the liberated sodium hydroxide in presence of thymolphthalein as indicator.

Details

ICS-code 71.080.80
Nederlandse titel Formaldehyde solutions for industrial use - Determination of formaldehyde content
Engelse titel Formaldehyde solutions for industrial use - Determination of formaldehyde content

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