Norm

ISO 3363:1976 en

Fluorochlorinated hydrocarbons for industrial use - Determination of acidity - Titrimetric method

31,57

Over deze norm

Status Definitief
Aantal pagina's 3
Gepubliceerd op 01-09-1976
Taal Engels
Applicable to products the acidity of which is between 2 mol and 200 mol of univalent acid per kg. Two procedures are given: one is applicable to liquid products (R11, R113, etc.) and the other one to gaseous (R12, R22, etc.). The principle consists in extraction of the acids by water. Titration of the acids in the aqueous phase with standard volumetric sodium hydroxide solution in the presence of bromocresol green as indicator. A figure shows an apparatus for absorption of acids for products which are gaseous at ordinary temperatures.

Details

ICS-code 71.080.20
Nederlandse titel Fluorochlorinated hydrocarbons for industrial use - Determination of acidity - Titrimetric method
Engelse titel Fluorochlorinated hydrocarbons for industrial use - Determination of acidity - Titrimetric method

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